mojoshader_compiler.c
author Ryan C. Gordon <icculus@icculus.org>
Tue, 23 Feb 2010 17:20:58 -0500
changeset 856 3eb34b50cc57
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child 857 905ad877371b
permissions -rw-r--r--
Moved print_ast() elsewhere.
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/**
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 * MojoShader; generate shader programs from bytecode of compiled
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 *  Direct3D shaders.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Ryan C. Gordon.
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 */
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#define __MOJOSHADER_INTERNAL__ 1
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#include "mojoshader_internal.h"
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#if DEBUG_COMPILER_PARSER
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#define LEMON_SUPPORT_TRACING 1
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#endif
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#define REVERSE_LINKED_LIST(typ, head) { \
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    if ((head) && (head->next)) { \
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        typ *tmp = NULL; \
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        typ *tmp1 = NULL; \
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        while (head != NULL) { \
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            tmp = head; \
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            head = head->next; \
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            tmp->next = tmp1; \
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            tmp1 = tmp; \
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        } \
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        head = tmp; \
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    } \
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}
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typedef union TokenData
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{
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    int64 i64;
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    double dbl;
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    const char *string;
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} TokenData;
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typedef struct StringBucket
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{
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    char *string;
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    struct StringBucket *next;
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} StringBucket;
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// Structures that make up the parse tree...
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typedef enum ASTNodeType
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{
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    AST_OP_START_RANGE,
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    AST_OP_START_RANGE_UNARY,
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    AST_OP_POSTINCREMENT,
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    AST_OP_POSTDECREMENT,
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    AST_OP_PREINCREMENT,
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    AST_OP_PREDECREMENT,
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    AST_OP_NEGATE,
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    AST_OP_COMPLEMENT,
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    AST_OP_NOT,
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    AST_OP_END_RANGE_UNARY,
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    AST_OP_START_RANGE_BINARY,
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    AST_OP_DEREF_ARRAY,
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    AST_OP_CALLFUNC,
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    AST_OP_DEREF_STRUCT,
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    AST_OP_COMMA,
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    AST_OP_MULTIPLY,
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    AST_OP_DIVIDE,
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    AST_OP_MODULO,
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    AST_OP_ADD,
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    AST_OP_SUBTRACT,
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    AST_OP_LSHIFT,
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    AST_OP_RSHIFT,
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    AST_OP_LESSTHAN,
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    AST_OP_GREATERTHAN,
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    AST_OP_LESSTHANOREQUAL,
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    AST_OP_GREATERTHANOREQUAL,
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    AST_OP_EQUAL,
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    AST_OP_NOTEQUAL,
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    AST_OP_BINARYAND,
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    AST_OP_BINARYXOR,
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    AST_OP_BINARYOR,
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    AST_OP_LOGICALAND,
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    AST_OP_LOGICALOR,
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    AST_OP_ASSIGN,
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    AST_OP_MULASSIGN,
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    AST_OP_DIVASSIGN,
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    AST_OP_MODASSIGN,
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    AST_OP_ADDASSIGN,
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    AST_OP_SUBASSIGN,
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    AST_OP_LSHIFTASSIGN,
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    AST_OP_RSHIFTASSIGN,
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    AST_OP_ANDASSIGN,
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    AST_OP_XORASSIGN,
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    AST_OP_ORASSIGN,
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    AST_OP_END_RANGE_BINARY,
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    AST_OP_START_RANGE_TERNARY,
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    AST_OP_CONDITIONAL,
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    AST_OP_END_RANGE_TERNARY,
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    AST_OP_START_RANGE_DATA,
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    AST_OP_IDENTIFIER,
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    AST_OP_INT_LITERAL,
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    AST_OP_FLOAT_LITERAL,
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    AST_OP_STRING_LITERAL,
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    AST_OP_END_RANGE_DATA,
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    AST_OP_START_RANGE_MISC,
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    AST_OP_CONSTRUCTOR,
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    AST_OP_CAST,
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    AST_OP_END_RANGE_MISC,
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    AST_OP_END_RANGE,
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    AST_COMPUNIT_START_RANGE,
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    AST_COMPUNIT_FUNCTION,    // function declaration or definition
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    AST_COMPUNIT_TYPEDEF,     // typedef or struct
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    AST_COMPUNIT_STRUCT,      // global struct
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    AST_COMPUNIT_VARIABLE,    // global variable
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    AST_COMPUNIT_END_RANGE,
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    AST_STATEMENT_START_RANGE,
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    AST_STATEMENT_EMPTY,
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    AST_STATEMENT_EXPRESSION,
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    AST_STATEMENT_IF,
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    AST_STATEMENT_SWITCH,
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    AST_STATEMENT_FOR,
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    AST_STATEMENT_DO,
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    AST_STATEMENT_WHILE,
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    AST_STATEMENT_RETURN,
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    AST_STATEMENT_BREAK,
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    AST_STATEMENT_CONTINUE,
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    AST_STATEMENT_DISCARD,
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    AST_STATEMENT_TYPEDEF,
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    AST_STATEMENT_STRUCT,
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    AST_STATEMENT_VARDECL,
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    AST_STATEMENT_END_RANGE,
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    AST_MISC_START_RANGE,
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    AST_FUNCTION_ARGS,
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    AST_FUNCTION_SIGNATURE,
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    AST_SCALAR_OR_ARRAY,
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    AST_TYPEDEF,
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    AST_PACK_OFFSET,
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    AST_VARIABLE_LOWLEVEL,
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    AST_ANNOTATION,
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    AST_VARIABLE_DECLARATION,
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    AST_STRUCT_DECLARATION,
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    AST_STRUCT_MEMBER,
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    AST_SWITCH_CASE,
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    AST_MISC_END_RANGE,
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    AST_END_RANGE
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} ASTNodeType;
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typedef struct ASTNode
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{
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    ASTNodeType type;
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    const char *filename;
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    uint32 line;
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} ASTNode;
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typedef enum VariableAttributes
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{
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    VARATTR_EXTERN = (1 << 0),
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    VARATTR_NOINTERPOLATION = (1 << 1),
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    VARATTR_SHARED = (1 << 2),
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    VARATTR_STATIC = (1 << 3),
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    VARATTR_UNIFORM = (1 << 4),
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    VARATTR_VOLATILE = (1 << 5),
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    VARATTR_CONST = (1 << 6),
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    VARATTR_ROWMAJOR = (1 << 7),
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    VARATTR_COLUMNMAJOR = (1 << 8)
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} VariableAttributes;
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typedef enum IfAttributes
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{
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    IFATTR_NONE,
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    IFATTR_BRANCH,
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    IFATTR_FLATTEN,
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    IFATTR_IFALL,
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    IFATTR_IFANY,
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    IFATTR_PREDICATE,
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    IFATTR_PREDICATEBLOCK,
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} IfAttributes;
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typedef enum SwitchAttributes
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{
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    SWITCHATTR_NONE,
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    SWITCHATTR_FLATTEN,
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    SWITCHATTR_BRANCH,
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    SWITCHATTR_FORCECASE,
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    SWITCHATTR_CALL
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} SwitchAttributes;
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static inline int operator_is_unary(const ASTNodeType op)
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{
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    return ((op > AST_OP_START_RANGE_UNARY) && (op < AST_OP_END_RANGE_UNARY));
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} // operator_is_unary
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static inline int operator_is_binary(const ASTNodeType op)
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{
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    return ((op > AST_OP_START_RANGE_BINARY) && (op < AST_OP_END_RANGE_BINARY));
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} // operator_is_binary
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static inline int operator_is_ternary(const ASTNodeType op)
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{
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    return ((op > AST_OP_START_RANGE_TERNARY) && (op < AST_OP_END_RANGE_TERNARY));
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} // operator_is_ternary
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typedef struct ASTGeneric
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{
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    ASTNode ast;
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} ASTGeneric;
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typedef ASTGeneric Expression;
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typedef struct ExpressionUnary
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{
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    ASTNode ast;
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    Expression *operand;
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} ExpressionUnary;
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typedef struct ExpressionBinary
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{
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    ASTNode ast;
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    Expression *left;
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    Expression *right;
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} ExpressionBinary;
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typedef struct ExpressionTernary
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{
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    ASTNode ast;
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    Expression *left;
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    Expression *center;
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    Expression *right;
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} ExpressionTernary;
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typedef struct ExpressionIdentifier
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{
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    ASTNode ast;  // Always AST_OP_IDENTIFIER
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    const char *identifier;
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} ExpressionIdentifier;
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typedef struct ExpressionIntLiteral
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{
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    ASTNode ast;  // Always AST_OP_INT_LITERAL
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    int64 value;
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} ExpressionIntLiteral;
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typedef struct ExpressionFloatLiteral
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{
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    ASTNode ast;  // Always AST_OP_FLOAT_LITERAL
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    double value;
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} ExpressionFloatLiteral;
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typedef struct ExpressionStringLiteral
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{
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    ASTNode ast;  // Always AST_OP_STRING_LITERAL
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    const char *string;
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} ExpressionStringLiteral;
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typedef struct ExpressionConstructor
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{
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    ASTNode ast;  // Always AST_OP_CONSTRUCTOR
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    const char *datatype;
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    Expression *args;
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} ExpressionConstructor;
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typedef struct ExpressionCast
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{
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    ASTNode ast;  // Always AST_OP_CAST
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    const char *datatype;
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    Expression *operand;
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} ExpressionCast;
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typedef struct CompilationUnit
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{
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    ASTNode ast;
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    struct CompilationUnit *next;
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} CompilationUnit;
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typedef enum FunctionStorageClass
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{
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    FNSTORECLS_NONE,
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    FNSTORECLS_INLINE
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} FunctionStorageClass;
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typedef enum InputModifier
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{
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    INPUTMOD_NONE,
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    INPUTMOD_IN,
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    INPUTMOD_OUT,
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    INPUTMOD_INOUT,
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    INPUTMOD_UNIFORM
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} InputModifier;
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typedef enum InterpolationModifier
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{
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    INTERPMOD_NONE,
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    INTERPMOD_LINEAR,
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    INTERPMOD_CENTROID,
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    INTERPMOD_NOINTERPOLATION,
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    INTERPMOD_NOPERSPECTIVE,
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    INTERPMOD_SAMPLE
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} InterpolationModifier;
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typedef struct FunctionArguments
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{
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    ASTNode ast;
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    InputModifier input_modifier;
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    const char *datatype;
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    const char *identifier;
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    const char *semantic;
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    InterpolationModifier interpolation_modifier;
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    Expression *initializer;
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    struct FunctionArguments *next;
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} FunctionArguments;
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typedef struct FunctionSignature
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{
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    ASTNode ast;
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    const char *datatype;
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    const char *identifier;
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    FunctionArguments *args;
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    FunctionStorageClass storage_class;
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    const char *semantic;
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} FunctionSignature;
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   327
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typedef struct ScalarOrArray
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{
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    ASTNode ast;
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    const char *identifier;
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    int isarray;
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    Expression *dimension;
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} ScalarOrArray;
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   335
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typedef struct Annotations
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{
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    ASTNode ast;
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    const char *datatype;
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    Expression *initializer;
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    struct Annotations *next;
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} Annotations;
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   343
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typedef struct PackOffset
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{
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    ASTNode ast;
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    const char *ident1;   // !!! FIXME: rename this.
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    const char *ident2;
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} PackOffset;
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   350
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   351
typedef struct VariableLowLevel
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{
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    ASTNode ast;
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    PackOffset *packoffset;
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    const char *register_name;
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   356
} VariableLowLevel;
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   357
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   358
typedef struct StructMembers
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   359
{
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    ASTNode ast;
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    const char *datatype;
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    const char *semantic;
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   363
    ScalarOrArray *details;
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   364
    InterpolationModifier interpolation_mod;
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   365
    struct StructMembers *next;
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   366
} StructMembers;
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   367
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   368
typedef struct StructDeclaration
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   369
{
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    ASTNode ast;
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    const char *name;
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   372
    StructMembers *members;
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   373
} StructDeclaration;
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   374
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typedef struct VariableDeclaration
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   376
{
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   377
    ASTNode ast;
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   378
    int attributes;
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   379
    const char *datatype;
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   380
    StructDeclaration *anonymous_datatype;
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   381
    ScalarOrArray *details;
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   382
    const char *semantic;
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   383
    Annotations *annotations;
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   384
    Expression *initializer;
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   385
    VariableLowLevel *lowlevel;
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   386
    struct VariableDeclaration *next;
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   387
} VariableDeclaration;
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   388
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   389
typedef struct Statement
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   390
{
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   391
    ASTNode ast;
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   392
    struct Statement *next;
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   393
} Statement;
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   394
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   395
typedef Statement EmptyStatement;
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   396
typedef Statement BreakStatement;
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   397
typedef Statement ContinueStatement;
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   398
typedef Statement DiscardStatement;
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   399
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   400
typedef struct ReturnStatement
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   401
{
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   402
    ASTNode ast;
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   403
    struct Statement *next;
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   404
    Expression *expr;
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   405
} ReturnStatement;
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   406
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   407
typedef struct ExpressionStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   408
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   409
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   410
    struct Statement *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   411
    Expression *expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   412
} ExpressionStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   413
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   414
typedef struct IfStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   415
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   416
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   417
    struct Statement *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   418
    int attributes;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   419
    Expression *expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   420
    Statement *statement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   421
    Statement *else_statement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   422
} IfStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   423
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   424
typedef struct SwitchCases
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   425
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   426
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   427
    Expression *expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   428
    Statement *statement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   429
    struct SwitchCases *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   430
} SwitchCases;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   431
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   432
typedef struct SwitchStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   433
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   434
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   435
    struct Statement *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   436
    int attributes;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   437
    Expression *expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   438
    SwitchCases *cases;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   439
} SwitchStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   440
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   441
typedef struct WhileStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   442
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   443
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   444
    struct Statement *next;
854
65e06097e450 Filled in the rest of the missing print_ast() cases.
Ryan C. Gordon <icculus@icculus.org>
parents: 853
diff changeset
   445
    int64 unroll;  // # times to unroll, 0 to loop, negative for compiler's choice.
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   446
    Expression *expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   447
    Statement *statement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   448
} WhileStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   449
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   450
typedef WhileStatement DoStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   451
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   452
typedef struct ForStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   453
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   454
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   455
    struct Statement *next;
854
65e06097e450 Filled in the rest of the missing print_ast() cases.
Ryan C. Gordon <icculus@icculus.org>
parents: 853
diff changeset
   456
    int64 unroll;  // # times to unroll, 0 to loop, negative for compiler's choice.
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   457
    VariableDeclaration *var_decl;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   458
    Expression *initializer;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   459
    Expression *looptest;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   460
    Expression *counter;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   461
    Statement *statement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   462
} ForStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   463
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   464
typedef struct Typedef
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   465
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   466
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   467
    int isconst;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   468
    const char *datatype;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   469
    ScalarOrArray *details;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   470
} Typedef;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   471
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   472
typedef struct TypedefStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   473
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   474
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   475
    struct Statement *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   476
    Typedef *type_info;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   477
} TypedefStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   478
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   479
typedef struct VarDeclStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   480
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   481
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   482
    struct Statement *next;
853
f6b69debce78 Bunch More Work on print_ast().
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   483
    VariableDeclaration *declaration;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   484
} VarDeclStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   485
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   486
typedef struct StructStatement
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   487
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   488
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   489
    struct Statement *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   490
    StructDeclaration *struct_info;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   491
} StructStatement;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   492
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   493
typedef struct CompilationUnitFunction
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   494
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   495
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   496
    struct CompilationUnit *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   497
    FunctionSignature *declaration;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   498
    Statement *definition;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   499
} CompilationUnitFunction;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   500
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   501
typedef struct CompilationUnitTypedef
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   502
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   503
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   504
    struct CompilationUnit *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   505
    Typedef *type_info;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   506
} CompilationUnitTypedef;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   507
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   508
typedef struct CompilationUnitStruct
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   509
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   510
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   511
    struct CompilationUnit *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   512
    StructDeclaration *struct_info;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   513
} CompilationUnitStruct;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   514
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   515
typedef struct CompilationUnitVariable
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   516
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   517
    ASTNode ast;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   518
    struct CompilationUnit *next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   519
    VariableDeclaration *declaration;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   520
} CompilationUnitVariable;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   521
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   522
846
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   523
// This tracks typedefs and structs, and notes when they enter/leave scope.
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   524
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   525
typedef struct UserTypeScopeStack
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   526
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   527
    const char *symbol;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   528
    const char *datatype;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   529
    struct UserTypeScopeStack *next;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   530
} UserTypeScopeStack;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   531
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   532
typedef struct UserTypeMap
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   533
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   534
    HashTable *types;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   535
    UserTypeScopeStack *scope;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   536
} UserTypeMap;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   537
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   538
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   539
// Compile state, passed around all over the place.
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   540
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   541
typedef struct Context
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   542
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   543
    int isfail;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   544
    int out_of_memory;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   545
    MOJOSHADER_malloc malloc;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   546
    MOJOSHADER_free free;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   547
    void *malloc_data;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   548
    int error_count;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   549
    ErrorList *errors;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   550
    StringBucket *string_hashtable[256];
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   551
    const char *sourcefile;  // current source file that we're parsing.
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   552
    unsigned int sourceline; // current line in sourcefile that we're parsing.
846
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   553
    UserTypeMap usertypes;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   554
    CompilationUnit *ast;  // Abstract Syntax Tree
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   555
} Context;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   556
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   557
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   558
// Convenience functions for allocators...
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   559
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   560
static inline void out_of_memory(Context *ctx)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   561
{
842
1ea7f51250fb A little work on error handling in the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 839
diff changeset
   562
    if (!ctx->out_of_memory) printf("out of memory\n");  // !!! FIXME: placeholder.
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   563
    ctx->isfail = ctx->out_of_memory = 1;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   564
} // out_of_memory
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   565
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   566
static inline void *Malloc(Context *ctx, const size_t len)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   567
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   568
    void *retval = ctx->malloc((int) len, ctx->malloc_data);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   569
    if (retval == NULL)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   570
        out_of_memory(ctx);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   571
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   572
} // Malloc
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   573
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   574
static inline char *StrDup(Context *ctx, const char *str)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   575
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   576
    char *retval = (char *) Malloc(ctx, strlen(str) + 1);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   577
    if (retval != NULL)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   578
        strcpy(retval, str);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   579
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   580
} // StrDup
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   581
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   582
static inline void Free(Context *ctx, void *ptr)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   583
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   584
    if (ptr != NULL)  // check for NULL in case of dumb free() impl.
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   585
        ctx->free(ptr, ctx->malloc_data);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   586
} // Free
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   587
842
1ea7f51250fb A little work on error handling in the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 839
diff changeset
   588
static void fail(Context *ctx, const char *str)
1ea7f51250fb A little work on error handling in the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 839
diff changeset
   589
{
1ea7f51250fb A little work on error handling in the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 839
diff changeset
   590
    // !!! FIXME: placeholder.
1ea7f51250fb A little work on error handling in the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 839
diff changeset
   591
    (void) ctx;
843
d557c4336242 Keep track of token location when parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 842
diff changeset
   592
    printf("%s:%u: %s\n", ctx->sourcefile, ctx->sourceline, str);
842
1ea7f51250fb A little work on error handling in the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 839
diff changeset
   593
} // fail
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   594
846
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   595
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   596
static void usertypemap_nuke(const void *k, const void *v) { /* no-op. */ }
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   597
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   598
static int create_usertypemap(Context *ctx)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   599
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   600
    UserTypeMap *map = &ctx->usertypes;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   601
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   602
    map->scope = NULL;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   603
    map->types = hash_create(255, hash_hash_string, hash_keymatch_string,
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   604
                             usertypemap_nuke, 1, ctx->malloc, ctx->free,
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   605
                             ctx->malloc_data);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   606
    if (!map->types)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   607
    {
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   608
        out_of_memory(ctx);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   609
        return 0;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   610
    } // if
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   611
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   612
    return 1;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   613
} // create_usertypemap
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   614
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   615
static void push_usertype(Context *ctx, const char *sym, const char *datatype)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   616
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   617
    UserTypeMap *map = &ctx->usertypes;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   618
    UserTypeScopeStack *item;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   619
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   620
    item = (UserTypeScopeStack *) Malloc(ctx, sizeof (UserTypeScopeStack));
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   621
    if (item == NULL)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   622
        return;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   623
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   624
    if (sym != NULL)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   625
    {
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   626
        if (hash_insert(map->types, sym, datatype) == -1)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   627
        {
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   628
            Free(ctx, item);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   629
            return;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   630
        }
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   631
    } // if
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   632
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   633
    item->symbol = sym;  // cached strings, don't copy.
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   634
    item->datatype = datatype;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   635
    item->next = map->scope;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   636
    map->scope = item;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   637
} // push_usertype
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   638
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   639
static void pop_usertype(Context *ctx)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   640
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   641
    UserTypeMap *map = &ctx->usertypes;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   642
    UserTypeScopeStack *item = map->scope;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   643
    if (!item)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   644
        return;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   645
    if (item->symbol)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   646
        hash_remove(map->types, item->symbol);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   647
    map->scope = item->next;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   648
    Free(ctx, item);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   649
} // pop_usertype
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   650
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   651
static void push_scope(Context *ctx)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   652
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   653
    push_usertype(ctx, NULL, NULL);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   654
} // push_scope
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   655
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   656
static void pop_scope(Context *ctx)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   657
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   658
    UserTypeMap *map = &ctx->usertypes;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   659
    while ((map->scope) && (map->scope->symbol))
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   660
        pop_usertype(ctx);
850
473108b0366d Fixed pop_scope().
Ryan C. Gordon <icculus@icculus.org>
parents: 849
diff changeset
   661
473108b0366d Fixed pop_scope().
Ryan C. Gordon <icculus@icculus.org>
parents: 849
diff changeset
   662
    assert(map->scope != NULL);
473108b0366d Fixed pop_scope().
Ryan C. Gordon <icculus@icculus.org>
parents: 849
diff changeset
   663
    assert(map->scope->symbol == NULL);
473108b0366d Fixed pop_scope().
Ryan C. Gordon <icculus@icculus.org>
parents: 849
diff changeset
   664
    pop_usertype(ctx);
846
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   665
} // push_scope
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   666
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   667
static void destroy_usertypemap(Context *ctx)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   668
{
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   669
    UserTypeMap *map = &ctx->usertypes;
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   670
    while (map->scope)
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   671
        pop_usertype(ctx);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   672
    hash_destroy(map->types);
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   673
} // destroy_usertypemap
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   674
10eb8be2c919 Added better (?) USERTYPE management.
Ryan C. Gordon <icculus@icculus.org>
parents: 845
diff changeset
   675
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   676
// These functions are mostly for construction and cleanup of nodes in the
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   677
//  parse tree. Mostly this is simple allocation and initialization, so we
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   678
//  can do as little in the lemon code as possible, and then sort it all out
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   679
//  afterwards.
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   680
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   681
#define NEW_AST_NODE(retval, cls, typ) \
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   682
    cls *retval = Malloc(ctx, sizeof (cls)); \
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   683
    do { \
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   684
        if (retval == NULL) { return NULL; } \
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   685
        retval->ast.type = typ; \
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   686
        retval->ast.filename = ctx->sourcefile; \
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   687
        retval->ast.line = ctx->sourceline; \
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   688
    } while (0)
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   689
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   690
#define DELETE_AST_NODE(cls) do { \
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   691
    if (!cls) return; \
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   692
} while (0)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   693
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   694
static void delete_compilation_unit(Context *ctx, CompilationUnit *unit);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   695
static void delete_statement(Context *ctx, Statement *stmt);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   696
837
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   697
static Expression *new_constructor_expr(Context *ctx, const char *datatype,
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   698
                                        Expression *args)
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   699
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   700
    NEW_AST_NODE(retval, ExpressionConstructor, AST_OP_CONSTRUCTOR);
837
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   701
    retval->datatype = datatype;
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   702
    retval->args = args;
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   703
    return (Expression *) retval;
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   704
} // new_constructor_expr
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   705
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   706
static Expression *new_cast_expr(Context *ctx, const char *datatype,
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   707
                                 Expression *operand)
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   708
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   709
    NEW_AST_NODE(retval, ExpressionCast, AST_OP_CAST);
837
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   710
    retval->datatype = datatype;
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   711
    retval->operand = operand;
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   712
    return (Expression *) retval;
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   713
} // new_cast_expr
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   714
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   715
static Expression *new_unary_expr(Context *ctx, const ASTNodeType op,
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   716
                                  Expression *operand)
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   717
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   718
    NEW_AST_NODE(retval, ExpressionUnary, op);
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   719
    assert(operator_is_unary(op));
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   720
    retval->operand = operand;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   721
    return (Expression *) retval;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   722
} // new_unary_expr
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   723
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   724
static Expression *new_binary_expr(Context *ctx, const ASTNodeType op,
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   725
                                   Expression *left, Expression *right)
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   726
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   727
    NEW_AST_NODE(retval, ExpressionBinary, op);
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   728
    assert(operator_is_binary(op));
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   729
    retval->left = left;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   730
    retval->right = right;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   731
    return (Expression *) retval;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   732
} // new_binary_expr
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   733
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   734
static Expression *new_ternary_expr(Context *ctx, const ASTNodeType op,
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   735
                                    Expression *left, Expression *center,
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   736
                                    Expression *right)
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   737
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   738
    NEW_AST_NODE(retval, ExpressionTernary, op);
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   739
    assert(operator_is_ternary(op));
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   740
    retval->left = left;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   741
    retval->center = center;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   742
    retval->right = right;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   743
    return (Expression *) retval;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   744
} // new_ternary_expr
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   745
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   746
static Expression *new_identifier_expr(Context *ctx, const char *string)
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   747
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   748
    NEW_AST_NODE(retval, ExpressionIdentifier, AST_OP_IDENTIFIER);
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   749
    retval->identifier = string;  // cached; don't copy string.
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   750
    return (Expression *) retval;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   751
} // new_identifier_expr
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   752
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   753
static Expression *new_literal_int_expr(Context *ctx, const int64 value)
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   754
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   755
    NEW_AST_NODE(retval, ExpressionIntLiteral, AST_OP_INT_LITERAL);
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   756
    retval->value = value;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   757
    return (Expression *) retval;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   758
} // new_literal_int_expr
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   759
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   760
static Expression *new_literal_float_expr(Context *ctx, const double dbl)
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   761
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   762
    NEW_AST_NODE(retval, ExpressionFloatLiteral, AST_OP_FLOAT_LITERAL);
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   763
    retval->value = dbl;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   764
    return (Expression *) retval;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   765
} // new_literal_float_expr
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   766
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   767
static Expression *new_literal_string_expr(Context *ctx, const char *string)
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   768
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   769
    NEW_AST_NODE(retval, ExpressionStringLiteral, AST_OP_STRING_LITERAL);
827
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   770
    retval->string = string;  // cached; don't copy string.
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   771
    return (Expression *) retval;
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   772
} // new_string_literal_expr
2f955ce29b7b Moved the calculator experiment work back into the compiler.
Ryan C. Gordon <icculus@icculus.org>
parents: 792
diff changeset
   773
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   774
static void delete_expr(Context *ctx, Expression *expr)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   775
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   776
    DELETE_AST_NODE(expr);
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   777
    if (operator_is_unary(expr->ast.type))
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   778
    {
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   779
        const ExpressionUnary *unary = (const ExpressionUnary *) expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   780
        delete_expr(ctx, unary->operand);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   781
    } // if
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   782
    else if (operator_is_binary(expr->ast.type))
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   783
    {
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   784
        const ExpressionBinary *binary = (const ExpressionBinary *) expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   785
        delete_expr(ctx, binary->left);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   786
        delete_expr(ctx, binary->right);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   787
    } // else if
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   788
    else if (operator_is_ternary(expr->ast.type))
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   789
    {
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   790
        const ExpressionTernary *ternary = (const ExpressionTernary *) expr;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   791
        delete_expr(ctx, ternary->left);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   792
        delete_expr(ctx, ternary->center);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   793
        delete_expr(ctx, ternary->right);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   794
    } // else if
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   795
    else if (expr->ast.type == AST_OP_CAST)
837
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   796
    {
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   797
        delete_expr(ctx, ((ExpressionCast *) expr)->operand);
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   798
    } // else if
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   799
    else if (expr->ast.type == AST_OP_CONSTRUCTOR)
837
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   800
    {
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   801
        delete_expr(ctx, ((ExpressionConstructor *) expr)->args);
5f6528602658 Uncommented some grammar bits that got masked out in the calculator experiment.
Ryan C. Gordon <icculus@icculus.org>
parents: 836
diff changeset
   802
    } // else if
845
d10d31b9b695 Removed incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 844
diff changeset
   803
d10d31b9b695 Removed incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 844
diff changeset
   804
    // rest of operators don't have extra data to free.
d10d31b9b695 Removed incorrect assertion.
Ryan C. Gordon <icculus@icculus.org>
parents: 844
diff changeset
   805
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   806
    Free(ctx, expr);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   807
} // delete_expr
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   808
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   809
static FunctionArguments *new_function_arg(Context *ctx,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   810
                                        const InputModifier inputmod,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   811
                                        const char *datatype,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   812
                                        const char *identifier,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   813
                                        const char *semantic,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   814
                                        const InterpolationModifier interpmod,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   815
                                        Expression *initializer)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   816
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   817
    NEW_AST_NODE(retval, FunctionArguments, AST_FUNCTION_ARGS);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   818
    retval->input_modifier = inputmod;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   819
    retval->datatype = datatype;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   820
    retval->identifier = identifier;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   821
    retval->semantic = semantic;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   822
    retval->interpolation_modifier = interpmod;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   823
    retval->initializer = initializer;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   824
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   825
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   826
} // new_function_arg
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   827
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   828
static void delete_function_args(Context *ctx, FunctionArguments *args)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   829
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   830
    DELETE_AST_NODE(args);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   831
    delete_function_args(ctx, args->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   832
    delete_expr(ctx, args->initializer);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   833
    Free(ctx, args);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   834
} // delete_function_args
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   835
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   836
static FunctionSignature *new_function_signature(Context *ctx,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   837
                                                 const char *datatype,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   838
                                                 const char *identifier,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   839
                                                 FunctionArguments *args)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   840
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   841
    NEW_AST_NODE(retval, FunctionSignature, AST_FUNCTION_SIGNATURE);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   842
    retval->datatype = datatype;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   843
    retval->identifier = identifier;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   844
    retval->args = args;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   845
    retval->storage_class = FNSTORECLS_NONE;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   846
    retval->semantic = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   847
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   848
} // new_function_signature
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   849
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   850
static void delete_function_signature(Context *ctx, FunctionSignature *sig)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   851
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   852
    DELETE_AST_NODE(sig);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   853
    delete_function_args(ctx, sig->args);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   854
    Free(ctx, sig);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   855
} // delete_function_signature
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   856
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   857
static CompilationUnit *new_function(Context *ctx,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   858
                                     FunctionSignature *declaration,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   859
                                     Statement *definition)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   860
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   861
    NEW_AST_NODE(retval, CompilationUnitFunction, AST_COMPUNIT_FUNCTION);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   862
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   863
    retval->declaration = declaration;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   864
    retval->definition = definition;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   865
    return (CompilationUnit *) retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   866
} // new_function
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   867
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   868
static void delete_function(Context *ctx, CompilationUnitFunction *unitfn)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   869
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   870
    DELETE_AST_NODE(unitfn);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   871
    delete_compilation_unit(ctx, unitfn->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   872
    delete_function_signature(ctx, unitfn->declaration);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   873
    delete_statement(ctx, unitfn->definition);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   874
    Free(ctx, unitfn);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   875
} // delete_function
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   876
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   877
static ScalarOrArray *new_scalar_or_array(Context *ctx, const char *ident,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   878
                                          const int isvec, Expression *dim)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   879
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   880
    NEW_AST_NODE(retval, ScalarOrArray, AST_SCALAR_OR_ARRAY);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   881
    retval->identifier = ident;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   882
    retval->isarray = isvec;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   883
    retval->dimension = dim;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   884
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   885
} // new_scalar_or_array
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   886
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   887
static void delete_scalar_or_array(Context *ctx, ScalarOrArray *soa)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   888
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   889
    DELETE_AST_NODE(soa);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   890
    delete_expr(ctx, soa->dimension);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   891
    Free(ctx, soa);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   892
} // delete_scalar_or_array
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   893
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   894
static Typedef *new_typedef(Context *ctx, int isconst, const char *datatype,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   895
                            ScalarOrArray *soa)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   896
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   897
    NEW_AST_NODE(retval, Typedef, AST_TYPEDEF);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   898
    retval->isconst = isconst;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   899
    retval->datatype = datatype;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   900
    retval->details = soa;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   901
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   902
} // new_typedef
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   903
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   904
static void delete_typedef(Context *ctx, Typedef *td)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   905
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   906
    DELETE_AST_NODE(td);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   907
    delete_scalar_or_array(ctx, td->details);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   908
    Free(ctx, td);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   909
} // delete_typedef
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   910
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   911
static PackOffset *new_pack_offset(Context *ctx, const char *a, const char *b)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   912
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   913
    NEW_AST_NODE(retval, PackOffset, AST_PACK_OFFSET);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   914
    retval->ident1 = a;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   915
    retval->ident2 = b;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   916
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   917
} // new_pack_offset
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   918
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   919
static void delete_pack_offset(Context *ctx, PackOffset *o)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   920
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   921
    DELETE_AST_NODE(o);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   922
    Free(ctx, o);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   923
} // delete_pack_offset
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   924
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   925
static VariableLowLevel *new_variable_lowlevel(Context *ctx, PackOffset *po,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   926
                                               const char *reg)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   927
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   928
    NEW_AST_NODE(retval, VariableLowLevel, AST_VARIABLE_LOWLEVEL);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   929
    retval->packoffset = po;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   930
    retval->register_name = reg;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   931
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   932
} // new_variable_lowlevel
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   933
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   934
static void delete_variable_lowlevel(Context *ctx, VariableLowLevel *vll)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   935
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   936
    DELETE_AST_NODE(vll);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   937
    delete_pack_offset(ctx, vll->packoffset);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   938
    Free(ctx, vll);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   939
} // delete_variable_lowlevel
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   940
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   941
static Annotations *new_annotation(Context *ctx, const char *datatype,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   942
                                   Expression *initializer)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   943
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   944
    NEW_AST_NODE(retval, Annotations, AST_ANNOTATION);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   945
    retval->datatype = datatype;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   946
    retval->initializer = initializer;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   947
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   948
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   949
} // new_annotation
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   950
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   951
static void delete_annotation(Context *ctx, Annotations *annotations)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   952
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   953
    DELETE_AST_NODE(annotations);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   954
    delete_annotation(ctx, annotations->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   955
    delete_expr(ctx, annotations->initializer);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   956
    Free(ctx, annotations);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   957
} // delete_annotation
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   958
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   959
static VariableDeclaration *new_variable_declaration(Context *ctx,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   960
                                    ScalarOrArray *soa, const char *semantic,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   961
                                    Annotations *annotations, Expression *init,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   962
                                    VariableLowLevel *vll)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   963
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   964
    NEW_AST_NODE(retval, VariableDeclaration, AST_VARIABLE_DECLARATION);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   965
    retval->attributes = 0;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   966
    retval->datatype = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   967
    retval->anonymous_datatype = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   968
    retval->details = soa;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   969
    retval->semantic = semantic;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   970
    retval->annotations = annotations;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   971
    retval->initializer = init;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   972
    retval->lowlevel = vll;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   973
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   974
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   975
} // new_variable_declaration
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   976
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   977
static void delete_variable_declaration(Context *ctx, VariableDeclaration *dcl)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   978
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   979
    DELETE_AST_NODE(dcl);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   980
    delete_variable_declaration(ctx, dcl->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   981
    delete_scalar_or_array(ctx, dcl->details);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   982
    delete_annotation(ctx, dcl->annotations);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   983
    delete_expr(ctx, dcl->initializer);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   984
    delete_variable_lowlevel(ctx, dcl->lowlevel);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   985
    Free(ctx, dcl);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   986
} // delete_variable_declaration
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   987
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   988
static CompilationUnit *new_global_variable(Context *ctx,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   989
                                            VariableDeclaration *decl)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   990
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
   991
    NEW_AST_NODE(retval, CompilationUnitVariable, AST_COMPUNIT_VARIABLE);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   992
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   993
    retval->declaration = decl;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   994
    return (CompilationUnit *) retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   995
} // new_global_variable
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   996
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   997
static void delete_global_variable(Context *ctx, CompilationUnitVariable *var)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   998
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
   999
    DELETE_AST_NODE(var);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1000
    delete_compilation_unit(ctx, var->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1001
    delete_variable_declaration(ctx, var->declaration);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1002
    Free(ctx, var);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1003
} // delete_global_variable
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1004
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1005
static CompilationUnit *new_global_typedef(Context *ctx, Typedef *td)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1006
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
  1007
    NEW_AST_NODE(retval, CompilationUnitTypedef, AST_COMPUNIT_TYPEDEF);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1008
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1009
    retval->type_info = td;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1010
    return (CompilationUnit *) retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1011
} // new_global_typedef
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1012
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1013
static void delete_global_typedef(Context *ctx, CompilationUnitTypedef *unit)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1014
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1015
    DELETE_AST_NODE(unit);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1016
    delete_compilation_unit(ctx, unit->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1017
    delete_typedef(ctx, unit->type_info);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1018
    Free(ctx, unit);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1019
} // delete_global_typedef
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1020
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1021
static StructMembers *new_struct_member(Context *ctx, ScalarOrArray *soa,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1022
                                        const char *semantic)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1023
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
  1024
    NEW_AST_NODE(retval, StructMembers, AST_STRUCT_MEMBER);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1025
    retval->datatype = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1026
    retval->semantic = semantic;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1027
    retval->details = soa;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1028
    retval->interpolation_mod = INTERPMOD_NONE;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1029
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1030
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1031
} // new_struct_member
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1032
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1033
static void delete_struct_member(Context *ctx, StructMembers *member)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1034
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1035
    DELETE_AST_NODE(member);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1036
    delete_struct_member(ctx, member->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1037
    delete_scalar_or_array(ctx, member->details);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1038
    Free(ctx, member);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1039
} // delete_struct_member
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1040
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1041
static StructDeclaration *new_struct_declaration(Context *ctx,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1042
                                    const char *name, StructMembers *members)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1043
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
  1044
    NEW_AST_NODE(retval, StructDeclaration, AST_STRUCT_DECLARATION);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1045
    retval->name = name;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1046
    retval->members = members;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1047
    return retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1048
} // new_struct_declaration
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1049
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1050
static void delete_struct_declaration(Context *ctx, StructDeclaration *decl)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1051
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1052
    DELETE_AST_NODE(decl);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1053
    delete_struct_member(ctx, decl->members);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1054
    Free(ctx, decl);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1055
} // delete_struct_declaration
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1056
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1057
static CompilationUnit *new_global_struct(Context *ctx, StructDeclaration *sd)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1058
{
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
  1059
    NEW_AST_NODE(retval, CompilationUnitStruct, AST_COMPUNIT_STRUCT);
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1060
    retval->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1061
    retval->struct_info = sd;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1062
    return (CompilationUnit *) retval;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1063
} // new_global_struct
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1064
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1065
static void delete_global_struct(Context *ctx, CompilationUnitStruct *unit)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1066
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1067
    DELETE_AST_NODE(unit);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1068
    delete_compilation_unit(ctx, unit->next);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1069
    delete_struct_declaration(ctx, unit->struct_info);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1070
    Free(ctx, unit);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1071
} // delete_global_struct
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1072
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1073
static void delete_compilation_unit(Context *ctx, CompilationUnit *unit)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1074
{
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1075
    if (!unit) return;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1076
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1077
    // it's important to not recurse too deeply here, since you may have
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1078
    //  thousands of items in this linked list (each line of a massive
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1079
    //  function, for example). To avoid this, we iterate the list here,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1080
    //  deleting all children and making them think they have no reason
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1081
    //  to recurse in their own delete methods.
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1082
    // Please note that everyone should _try_ to delete their "next" member,
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1083
    //  just in case, but hopefully this cleaned it out.
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1084
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1085
    CompilationUnit *i = unit->next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1086
    unit->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1087
    while (i)
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1088
    {
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1089
        CompilationUnit *next = i->next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1090
        i->next = NULL;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1091
        delete_compilation_unit(ctx, i);
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1092
        i = next;
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1093
    } // while
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1094
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
  1095
    switch (unit->ast.type)
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1096
    {
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1097
        #define DELETE_UNIT(typ, cls, fn) \
844
06494572317b Make AST nodes a little more generic, add source position info to them.
Ryan C. Gordon <icculus@icculus.org>
parents: 843
diff changeset
  1098
            case AST_COMPUNIT_##typ: delete_##fn(ctx, (cls *) unit); break;
836
d975fa785f1e Bunch More Work on HLSL parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 835
diff changeset
  1099
        DELETE_UNIT(FUNCTION, CompilationUnitFunction, function);