--- a/mojoshader_compiler.c Tue Feb 23 12:55:52 2010 -0500
+++ b/mojoshader_compiler.c Tue Feb 23 17:20:58 2010 -0500
@@ -1522,493 +1522,6 @@
#include "mojoshader_parser_hlsl.h"
-static inline int64 strtoi64(const char *str, unsigned int len)
-{
- int64 retval = 0;
- int64 mult = 1;
- int i = 0;
-
- while ((len) && (*str == ' '))
- {
- str++;
- len--;
- } // while
-
- if ((len) && (*str == '-'))
- {
- mult = -1;
- str++;
- len--;
- } // if
-
- while (i < len)
- {
- const char ch = str[i];
- if ((ch < '0') || (ch > '9'))
- break;
- i++;
- } // while
-
- while (--i >= 0)
- {
- const char ch = str[i];
- retval += ((int64) (ch - '0')) * mult;
- mult *= 10;
- } // while
-
- return retval;
-} // strtoi64
-
-static inline double strtodouble(const char *_str, unsigned int len)
-{
- // !!! FIXME: laziness prevails.
- char *str = (char *) alloca(len+1);
- memcpy(str, _str, len);
- str[len] = '\0';
- return strtod(str, NULL);
-} // strtodouble
-
-#if 0
-// This does not check correctness (POSITIONT993842 passes, etc).
-static int is_semantic(const Context *ctx, const char *token,
- const unsigned int tokenlen)
-{
- static const char *names[] = {
- "BINORMAL", "BLENDINDICES", "BLENDWEIGHT",
- "COLOR", "NORMAL", "POSITION", "POSITIONT", "PSIZE", "TANGENT",
- "TEXCOORD", "FOG", "TESSFACTOR", "TEXCOORD", "VFACE", "VPOS",
- "DEPTH", NULL
- };
-
- // !!! FIXME: DX10 has SV_* ("System Value Semantics").
- const char **i;
- for (i = names; *i; i++)
- {
- const char *name = *i;
- const size_t namelen = strlen(name);
- if (tokenlen < namelen)
- continue;
- else if (memcmp(token, name, namelen) != 0)
- continue;
-
- for (name += namelen; *name; name++)
- {
- if ((*name < '0') || (*name > '9'))
- break;
- } // for
-
- if (*name == '\0')
- return 1;
- } // for
-
- return 0;
-} // is_semantic
-#endif
-
-static int convert_to_lemon_token(Context *ctx, const char *token,
- unsigned int tokenlen, const Token tokenval)
-{
- switch (tokenval)
- {
- case ((Token) ','): return TOKEN_HLSL_COMMA;
- case ((Token) '='): return TOKEN_HLSL_ASSIGN;
- case ((Token) TOKEN_ADDASSIGN): return TOKEN_HLSL_ADDASSIGN;
- case ((Token) TOKEN_SUBASSIGN): return TOKEN_HLSL_SUBASSIGN;
- case ((Token) TOKEN_MULTASSIGN): return TOKEN_HLSL_MULASSIGN;
- case ((Token) TOKEN_DIVASSIGN): return TOKEN_HLSL_DIVASSIGN;
- case ((Token) TOKEN_MODASSIGN): return TOKEN_HLSL_MODASSIGN;
- case ((Token) TOKEN_LSHIFTASSIGN): return TOKEN_HLSL_LSHIFTASSIGN;
- case ((Token) TOKEN_RSHIFTASSIGN): return TOKEN_HLSL_RSHIFTASSIGN;
- case ((Token) TOKEN_ANDASSIGN): return TOKEN_HLSL_ANDASSIGN;
- case ((Token) TOKEN_ORASSIGN): return TOKEN_HLSL_ORASSIGN;
- case ((Token) TOKEN_XORASSIGN): return TOKEN_HLSL_XORASSIGN;
- case ((Token) '?'): return TOKEN_HLSL_QUESTION;
- case ((Token) TOKEN_OROR): return TOKEN_HLSL_OROR;
- case ((Token) TOKEN_ANDAND): return TOKEN_HLSL_ANDAND;
- case ((Token) '|'): return TOKEN_HLSL_OR;
- case ((Token) '^'): return TOKEN_HLSL_XOR;
- case ((Token) '&'): return TOKEN_HLSL_AND;
- case ((Token) TOKEN_EQL): return TOKEN_HLSL_EQL;
- case ((Token) TOKEN_NEQ): return TOKEN_HLSL_NEQ;
- case ((Token) '<'): return TOKEN_HLSL_LT;
- case ((Token) TOKEN_LEQ): return TOKEN_HLSL_LEQ;
- case ((Token) '>'): return TOKEN_HLSL_GT;
- case ((Token) TOKEN_GEQ): return TOKEN_HLSL_GEQ;
- case ((Token) TOKEN_LSHIFT): return TOKEN_HLSL_LSHIFT;
- case ((Token) TOKEN_RSHIFT): return TOKEN_HLSL_RSHIFT;
- case ((Token) '+'): return TOKEN_HLSL_PLUS;
- case ((Token) '-'): return TOKEN_HLSL_MINUS;
- case ((Token) '*'): return TOKEN_HLSL_STAR;
- case ((Token) '/'): return TOKEN_HLSL_SLASH;
- case ((Token) '%'): return TOKEN_HLSL_PERCENT;
- case ((Token) '!'): return TOKEN_HLSL_EXCLAMATION;
- case ((Token) '~'): return TOKEN_HLSL_COMPLEMENT;
- case ((Token) TOKEN_DECREMENT): return TOKEN_HLSL_MINUSMINUS;
- case ((Token) TOKEN_INCREMENT): return TOKEN_HLSL_PLUSPLUS;
- case ((Token) '.'): return TOKEN_HLSL_DOT;
- case ((Token) '['): return TOKEN_HLSL_LBRACKET;
- case ((Token) ']'): return TOKEN_HLSL_RBRACKET;
- case ((Token) '('): return TOKEN_HLSL_LPAREN;
- case ((Token) ')'): return TOKEN_HLSL_RPAREN;
- case ((Token) TOKEN_INT_LITERAL): return TOKEN_HLSL_INT_CONSTANT;
- case ((Token) TOKEN_FLOAT_LITERAL): return TOKEN_HLSL_FLOAT_CONSTANT;
- case ((Token) TOKEN_STRING_LITERAL): return TOKEN_HLSL_STRING_LITERAL;
- case ((Token) ':'): return TOKEN_HLSL_COLON;
- case ((Token) ';'): return TOKEN_HLSL_SEMICOLON;
- case ((Token) '{'): return TOKEN_HLSL_LBRACE;
- case ((Token) '}'): return TOKEN_HLSL_RBRACE;
-
- case ((Token) TOKEN_IDENTIFIER):
- #define tokencmp(t) ((tokenlen == strlen(t)) && (memcmp(token, t, tokenlen) == 0))
- //case ((Token) ''): return TOKEN_HLSL_TYPECAST
- //if (tokencmp("")) return TOKEN_HLSL_TYPE_NAME
- //if (tokencmp("...")) return TOKEN_HLSL_ELIPSIS
- if (tokencmp("else")) return TOKEN_HLSL_ELSE;
- if (tokencmp("inline")) return TOKEN_HLSL_INLINE;
- if (tokencmp("void")) return TOKEN_HLSL_VOID;
- if (tokencmp("in")) return TOKEN_HLSL_IN;
- if (tokencmp("inout")) return TOKEN_HLSL_INOUT;
- if (tokencmp("out")) return TOKEN_HLSL_OUT;
- if (tokencmp("uniform")) return TOKEN_HLSL_UNIFORM;
- if (tokencmp("linear")) return TOKEN_HLSL_LINEAR;
- if (tokencmp("centroid")) return TOKEN_HLSL_CENTROID;
- if (tokencmp("nointerpolation")) return TOKEN_HLSL_NOINTERPOLATION;
- if (tokencmp("noperspective")) return TOKEN_HLSL_NOPERSPECTIVE;
- if (tokencmp("sample")) return TOKEN_HLSL_SAMPLE;
- if (tokencmp("struct")) return TOKEN_HLSL_STRUCT;
- if (tokencmp("typedef")) return TOKEN_HLSL_TYPEDEF;
- if (tokencmp("const")) return TOKEN_HLSL_CONST;
- if (tokencmp("packoffset")) return TOKEN_HLSL_PACKOFFSET;
- if (tokencmp("register")) return TOKEN_HLSL_REGISTER;
- if (tokencmp("extern")) return TOKEN_HLSL_EXTERN;
- if (tokencmp("shared")) return TOKEN_HLSL_SHARED;
- if (tokencmp("static")) return TOKEN_HLSL_STATIC;
- if (tokencmp("volatile")) return TOKEN_HLSL_VOLATILE;
- if (tokencmp("row_major")) return TOKEN_HLSL_ROWMAJOR;
- if (tokencmp("column_major")) return TOKEN_HLSL_COLUMNMAJOR;
- if (tokencmp("bool")) return TOKEN_HLSL_BOOL;
- if (tokencmp("int")) return TOKEN_HLSL_INT;
- if (tokencmp("uint")) return TOKEN_HLSL_UINT;
- if (tokencmp("half")) return TOKEN_HLSL_HALF;
- if (tokencmp("float")) return TOKEN_HLSL_FLOAT;
- if (tokencmp("double")) return TOKEN_HLSL_DOUBLE;
- if (tokencmp("string")) return TOKEN_HLSL_STRING;
- if (tokencmp("snorm")) return TOKEN_HLSL_SNORM;
- if (tokencmp("unorm")) return TOKEN_HLSL_UNORM;
- if (tokencmp("buffer")) return TOKEN_HLSL_BUFFER;
- if (tokencmp("vector")) return TOKEN_HLSL_VECTOR;
- if (tokencmp("bool1")) return TOKEN_HLSL_BOOL1;
- if (tokencmp("bool2")) return TOKEN_HLSL_BOOL2;
- if (tokencmp("bool3")) return TOKEN_HLSL_BOOL3;
- if (tokencmp("bool4")) return TOKEN_HLSL_BOOL4;
- if (tokencmp("int1")) return TOKEN_HLSL_INT1;
- if (tokencmp("int2")) return TOKEN_HLSL_INT2;
- if (tokencmp("int3")) return TOKEN_HLSL_INT3;
- if (tokencmp("int4")) return TOKEN_HLSL_INT4;
- if (tokencmp("uint1")) return TOKEN_HLSL_UINT1;
- if (tokencmp("uint2")) return TOKEN_HLSL_UINT2;
- if (tokencmp("uint3")) return TOKEN_HLSL_UINT3;
- if (tokencmp("uint4")) return TOKEN_HLSL_UINT4;
- if (tokencmp("half1")) return TOKEN_HLSL_HALF1;
- if (tokencmp("half2")) return TOKEN_HLSL_HALF2;
- if (tokencmp("half3")) return TOKEN_HLSL_HALF3;
- if (tokencmp("half4")) return TOKEN_HLSL_HALF4;
- if (tokencmp("float1")) return TOKEN_HLSL_FLOAT1;
- if (tokencmp("float2")) return TOKEN_HLSL_FLOAT2;
- if (tokencmp("float3")) return TOKEN_HLSL_FLOAT3;
- if (tokencmp("float4")) return TOKEN_HLSL_FLOAT4;
- if (tokencmp("double1")) return TOKEN_HLSL_DOUBLE1;
- if (tokencmp("double2")) return TOKEN_HLSL_DOUBLE2;
- if (tokencmp("double3")) return TOKEN_HLSL_DOUBLE3;
- if (tokencmp("double4")) return TOKEN_HLSL_DOUBLE4;
- if (tokencmp("matrix")) return TOKEN_HLSL_MATRIX;
- if (tokencmp("bool1x1")) return TOKEN_HLSL_BOOL1X1;
- if (tokencmp("bool1x2")) return TOKEN_HLSL_BOOL1X2;
- if (tokencmp("bool1x3")) return TOKEN_HLSL_BOOL1X3;
- if (tokencmp("bool1x4")) return TOKEN_HLSL_BOOL1X4;
- if (tokencmp("bool2x1")) return TOKEN_HLSL_BOOL2X1;
- if (tokencmp("bool2x2")) return TOKEN_HLSL_BOOL2X2;
- if (tokencmp("bool2x3")) return TOKEN_HLSL_BOOL2X3;
- if (tokencmp("bool2x4")) return TOKEN_HLSL_BOOL2X4;
- if (tokencmp("bool3x1")) return TOKEN_HLSL_BOOL3X1;
- if (tokencmp("bool3x2")) return TOKEN_HLSL_BOOL3X2;
- if (tokencmp("bool3x3")) return TOKEN_HLSL_BOOL3X3;
- if (tokencmp("bool3x4")) return TOKEN_HLSL_BOOL3X4;
- if (tokencmp("bool4x1")) return TOKEN_HLSL_BOOL4X1;
- if (tokencmp("bool4x2")) return TOKEN_HLSL_BOOL4X2;
- if (tokencmp("bool4x3")) return TOKEN_HLSL_BOOL4X3;
- if (tokencmp("bool4x4")) return TOKEN_HLSL_BOOL4X4;
- if (tokencmp("int1x1")) return TOKEN_HLSL_INT1X1;
- if (tokencmp("int1x2")) return TOKEN_HLSL_INT1X2;
- if (tokencmp("int1x3")) return TOKEN_HLSL_INT1X3;
- if (tokencmp("int1x4")) return TOKEN_HLSL_INT1X4;
- if (tokencmp("int2x1")) return TOKEN_HLSL_INT2X1;
- if (tokencmp("int2x2")) return TOKEN_HLSL_INT2X2;
- if (tokencmp("int2x3")) return TOKEN_HLSL_INT2X3;
- if (tokencmp("int2x4")) return TOKEN_HLSL_INT2X4;
- if (tokencmp("int3x1")) return TOKEN_HLSL_INT3X1;
- if (tokencmp("int3x2")) return TOKEN_HLSL_INT3X2;
- if (tokencmp("int3x3")) return TOKEN_HLSL_INT3X3;
- if (tokencmp("int3x4")) return TOKEN_HLSL_INT3X4;
- if (tokencmp("int4x1")) return TOKEN_HLSL_INT4X1;
- if (tokencmp("int4x2")) return TOKEN_HLSL_INT4X2;
- if (tokencmp("int4x3")) return TOKEN_HLSL_INT4X3;
- if (tokencmp("int4x4")) return TOKEN_HLSL_INT4X4;
- if (tokencmp("uint1x1")) return TOKEN_HLSL_UINT1X1;
- if (tokencmp("uint1x2")) return TOKEN_HLSL_UINT1X2;
- if (tokencmp("uint1x3")) return TOKEN_HLSL_UINT1X3;
- if (tokencmp("uint1x4")) return TOKEN_HLSL_UINT1X4;
- if (tokencmp("uint2x1")) return TOKEN_HLSL_UINT2X1;
- if (tokencmp("uint2x2")) return TOKEN_HLSL_UINT2X2;
- if (tokencmp("uint2x3")) return TOKEN_HLSL_UINT2X3;
- if (tokencmp("uint2x4")) return TOKEN_HLSL_UINT2X4;
- if (tokencmp("uint3x1")) return TOKEN_HLSL_UINT3X1;
- if (tokencmp("uint3x2")) return TOKEN_HLSL_UINT3X2;
- if (tokencmp("uint3x3")) return TOKEN_HLSL_UINT3X3;
- if (tokencmp("uint3x4")) return TOKEN_HLSL_UINT3X4;
- if (tokencmp("uint4x1")) return TOKEN_HLSL_UINT4X1;
- if (tokencmp("uint4x2")) return TOKEN_HLSL_UINT4X2;
- if (tokencmp("uint4x3")) return TOKEN_HLSL_UINT4X3;
- if (tokencmp("uint4x4")) return TOKEN_HLSL_UINT4X4;
- if (tokencmp("half1x1")) return TOKEN_HLSL_HALF1X1;
- if (tokencmp("half1x2")) return TOKEN_HLSL_HALF1X2;
- if (tokencmp("half1x3")) return TOKEN_HLSL_HALF1X3;
- if (tokencmp("half1x4")) return TOKEN_HLSL_HALF1X4;
- if (tokencmp("half2x1")) return TOKEN_HLSL_HALF2X1;
- if (tokencmp("half2x2")) return TOKEN_HLSL_HALF2X2;
- if (tokencmp("half2x3")) return TOKEN_HLSL_HALF2X3;
- if (tokencmp("half2x4")) return TOKEN_HLSL_HALF2X4;
- if (tokencmp("half3x1")) return TOKEN_HLSL_HALF3X1;
- if (tokencmp("half3x2")) return TOKEN_HLSL_HALF3X2;
- if (tokencmp("half3x3")) return TOKEN_HLSL_HALF3X3;
- if (tokencmp("half3x4")) return TOKEN_HLSL_HALF3X4;
- if (tokencmp("half4x1")) return TOKEN_HLSL_HALF4X1;
- if (tokencmp("half4x2")) return TOKEN_HLSL_HALF4X2;
- if (tokencmp("half4x3")) return TOKEN_HLSL_HALF4X3;
- if (tokencmp("half4x4")) return TOKEN_HLSL_HALF4X4;
- if (tokencmp("float1x1")) return TOKEN_HLSL_FLOAT1X1;
- if (tokencmp("float1x2")) return TOKEN_HLSL_FLOAT1X2;
- if (tokencmp("float1x3")) return TOKEN_HLSL_FLOAT1X3;
- if (tokencmp("float1x4")) return TOKEN_HLSL_FLOAT1X4;
- if (tokencmp("float2x1")) return TOKEN_HLSL_FLOAT2X1;
- if (tokencmp("float2x2")) return TOKEN_HLSL_FLOAT2X2;
- if (tokencmp("float2x3")) return TOKEN_HLSL_FLOAT2X3;
- if (tokencmp("float2x4")) return TOKEN_HLSL_FLOAT2X4;
- if (tokencmp("float3x1")) return TOKEN_HLSL_FLOAT3X1;
- if (tokencmp("float3x2")) return TOKEN_HLSL_FLOAT3X2;
- if (tokencmp("float3x3")) return TOKEN_HLSL_FLOAT3X3;
- if (tokencmp("float3x4")) return TOKEN_HLSL_FLOAT3X4;
- if (tokencmp("float4x1")) return TOKEN_HLSL_FLOAT4X1;
- if (tokencmp("float4x2")) return TOKEN_HLSL_FLOAT4X2;
- if (tokencmp("float4x3")) return TOKEN_HLSL_FLOAT4X3;
- if (tokencmp("float4x4")) return TOKEN_HLSL_FLOAT4X4;
- if (tokencmp("double1x1")) return TOKEN_HLSL_DOUBLE1X1;
- if (tokencmp("double1x2")) return TOKEN_HLSL_DOUBLE1X2;
- if (tokencmp("double1x3")) return TOKEN_HLSL_DOUBLE1X3;
- if (tokencmp("double1x4")) return TOKEN_HLSL_DOUBLE1X4;
- if (tokencmp("double2x1")) return TOKEN_HLSL_DOUBLE2X1;
- if (tokencmp("double2x2")) return TOKEN_HLSL_DOUBLE2X2;
- if (tokencmp("double2x3")) return TOKEN_HLSL_DOUBLE2X3;
- if (tokencmp("double2x4")) return TOKEN_HLSL_DOUBLE2X4;
- if (tokencmp("double3x1")) return TOKEN_HLSL_DOUBLE3X1;
- if (tokencmp("double3x2")) return TOKEN_HLSL_DOUBLE3X2;
- if (tokencmp("double3x3")) return TOKEN_HLSL_DOUBLE3X3;
- if (tokencmp("double3x4")) return TOKEN_HLSL_DOUBLE3X4;
- if (tokencmp("double4x1")) return TOKEN_HLSL_DOUBLE4X1;
- if (tokencmp("double4x2")) return TOKEN_HLSL_DOUBLE4X2;
- if (tokencmp("double4x3")) return TOKEN_HLSL_DOUBLE4X3;
- if (tokencmp("double4x4")) return TOKEN_HLSL_DOUBLE4X4;
- if (tokencmp("break")) return TOKEN_HLSL_BREAK;
- if (tokencmp("continue")) return TOKEN_HLSL_CONTINUE;
- if (tokencmp("discard")) return TOKEN_HLSL_DISCARD;
- if (tokencmp("return")) return TOKEN_HLSL_RETURN;
- if (tokencmp("while")) return TOKEN_HLSL_WHILE;
- if (tokencmp("for")) return TOKEN_HLSL_FOR;
- if (tokencmp("unroll")) return TOKEN_HLSL_UNROLL;
- if (tokencmp("loop")) return TOKEN_HLSL_LOOP;
- if (tokencmp("do")) return TOKEN_HLSL_DO;
- if (tokencmp("if")) return TOKEN_HLSL_IF;
- if (tokencmp("branch")) return TOKEN_HLSL_BRANCH;
- if (tokencmp("flatten")) return TOKEN_HLSL_FLATTEN;
- if (tokencmp("switch")) return TOKEN_HLSL_SWITCH;
- if (tokencmp("forcecase")) return TOKEN_HLSL_FORCECASE;
- if (tokencmp("call")) return TOKEN_HLSL_CALL;
- if (tokencmp("case")) return TOKEN_HLSL_CASE;
- if (tokencmp("default")) return TOKEN_HLSL_DEFAULT;
- if (tokencmp("sampler")) return TOKEN_HLSL_SAMPLER;
- if (tokencmp("sampler1D")) return TOKEN_HLSL_SAMPLER1D;
- if (tokencmp("sampler2D")) return TOKEN_HLSL_SAMPLER2D;
- if (tokencmp("sampler3D")) return TOKEN_HLSL_SAMPLER3D;
- if (tokencmp("samplerCUBE")) return TOKEN_HLSL_SAMPLERCUBE;
- if (tokencmp("sampler_state")) return TOKEN_HLSL_SAMPLER_STATE;
- if (tokencmp("SamplerState")) return TOKEN_HLSL_SAMPLERSTATE;
- if (tokencmp("SamplerComparisonState")) return TOKEN_HLSL_SAMPLERCOMPARISONSTATE;
- if (tokencmp("isolate")) return TOKEN_HLSL_ISOLATE;
- if (tokencmp("maxInstructionCount")) return TOKEN_HLSL_MAXINSTRUCTIONCOUNT;
- if (tokencmp("noExpressionOptimizations")) return TOKEN_HLSL_NOEXPRESSIONOPTIMIZATIONS;
- if (tokencmp("unused")) return TOKEN_HLSL_UNUSED;
- if (tokencmp("xps")) return TOKEN_HLSL_XPS;
-
- #undef tokencmp
-
- // get a canonical copy of the string now, as we'll need it.
- token = cache_string(ctx, token, tokenlen);
- if (is_usertype(ctx, token))
- return TOKEN_HLSL_USERTYPE;
- return TOKEN_HLSL_IDENTIFIER;
-
- case TOKEN_EOI: return 0;
- default: assert(0 && "unexpected token from lexer\n"); return 0;
- } // switch
-
- return 0;
-} // convert_to_lemon_token
-
-// !!! FIXME: unify this code with the string cache in the preprocessor.
-static void free_string_cache(Context *ctx)
-{
- size_t i;
- for (i = 0; i < STATICARRAYLEN(ctx->string_hashtable); i++)
- {
- StringBucket *bucket = ctx->string_hashtable[i];
- ctx->string_hashtable[i] = NULL;
- while (bucket)
- {
- StringBucket *next = bucket->next;
- Free(ctx, bucket->string);
- Free(ctx, bucket);
- bucket = next;
- } // while
- } // for
-} // free_string_cache
-
-static void destroy_context(Context *ctx)
-{
- if (ctx != NULL)
- {
- MOJOSHADER_free f = ((ctx->free != NULL) ? ctx->free : MOJOSHADER_internal_free);
- void *d = ctx->malloc_data;
-
- // !!! FIXME: free ctx->errors
- delete_compilation_unit(ctx, ctx->ast);
- destroy_usertypemap(ctx);
- free_string_cache(ctx);
- f(ctx, d);
- } // if
-} // destroy_context
-
-static Context *build_context(MOJOSHADER_malloc m, MOJOSHADER_free f, void *d)
-{
- if (!m) m = MOJOSHADER_internal_malloc;
- if (!f) f = MOJOSHADER_internal_free;
-
- Context *ctx = (Context *) m(sizeof (Context), d);
- if (ctx == NULL)
- return NULL;
-
- memset(ctx, '\0', sizeof (Context));
- ctx->malloc = m;
- ctx->free = f;
- ctx->malloc_data = d;
- //ctx->parse_phase = MOJOSHADER_PARSEPHASE_NOTSTARTED;
- create_usertypemap(ctx); // !!! FIXME: check for failure.
- return ctx;
-} // build_context
-
-
-// parse the source code into an AST.
-static void parse_source(Context *ctx, const char *filename,
- const char *source, unsigned int sourcelen,
- const MOJOSHADER_preprocessorDefine *defines,
- unsigned int define_count,
- MOJOSHADER_includeOpen include_open,
- MOJOSHADER_includeClose include_close)
-{
- TokenData data;
- unsigned int tokenlen;
- Token tokenval;
- const char *token;
- int lemon_token;
- const char *fname;
- Preprocessor *pp;
- void *parser;
-
- if (!include_open) include_open = MOJOSHADER_internal_include_open;
- if (!include_close) include_close = MOJOSHADER_internal_include_close;
-
- pp = preprocessor_start(filename, source, sourcelen, include_open,
- include_close, defines, define_count, 0,
- ctx->malloc, ctx->free, ctx->malloc_data);
-
- // !!! FIXME: check if (pp == NULL)...
-
- parser = ParseHLSLAlloc(ctx->malloc, ctx->malloc_data);
-
- #if DEBUG_COMPILER_PARSER
- ParseHLSLTrace(stdout, "COMPILER: ");
- #endif
-
- do {
- token = preprocessor_nexttoken(pp, &tokenlen, &tokenval);
-
- if (preprocessor_outofmemory(pp))
- {
- out_of_memory(ctx);
- break;
- } // if
-
- fname = preprocessor_sourcepos(pp, &ctx->sourceline);
- ctx->sourcefile = fname ? cache_string(ctx, fname, strlen(fname)) : 0;
-
- if (tokenval == TOKEN_BAD_CHARS)
- {
- fail(ctx, "Bad characters in source file");
- continue;
- } // else if
-
- else if (tokenval == TOKEN_PREPROCESSING_ERROR)
- {
- fail(ctx, token); // this happens to be null-terminated.
- continue;
- } // else if
-
- lemon_token = convert_to_lemon_token(ctx, token, tokenlen, tokenval);
- switch (lemon_token)
- {
- case TOKEN_HLSL_INT_CONSTANT:
- data.i64 = strtoi64(token, tokenlen);
- break;
-
- case TOKEN_HLSL_FLOAT_CONSTANT:
- data.dbl = strtodouble(token, tokenlen);
- break;
-
- case TOKEN_HLSL_USERTYPE:
- case TOKEN_HLSL_STRING_LITERAL:
- case TOKEN_HLSL_IDENTIFIER:
- data.string = cache_string(ctx, token, tokenlen);
- break;
-
- default:
- data.i64 = 0;
- break;
- } // switch
-
- ParseHLSL(parser, lemon_token, data, ctx);
-
- // this probably isn't perfect, but it's good enough for surviving
- // the parse. We'll sort out correctness once we have a tree.
- if (lemon_token == TOKEN_HLSL_LBRACE)
- push_scope(ctx);
- else if (lemon_token == TOKEN_HLSL_RBRACE)
- pop_scope(ctx);
- } while (tokenval != TOKEN_EOI);
-
- ParseHLSLFree(parser, ctx->free, ctx->malloc_data);
- preprocessor_end(pp);
-} // parse_source
-
-
static void print_ast(void *ast)
{
static int indent = 0;
@@ -2711,6 +2224,493 @@
} // print_ast
+static inline int64 strtoi64(const char *str, unsigned int len)
+{
+ int64 retval = 0;
+ int64 mult = 1;
+ int i = 0;
+
+ while ((len) && (*str == ' '))
+ {
+ str++;
+ len--;
+ } // while
+
+ if ((len) && (*str == '-'))
+ {
+ mult = -1;
+ str++;
+ len--;
+ } // if
+
+ while (i < len)
+ {
+ const char ch = str[i];
+ if ((ch < '0') || (ch > '9'))
+ break;
+ i++;
+ } // while
+
+ while (--i >= 0)
+ {
+ const char ch = str[i];
+ retval += ((int64) (ch - '0')) * mult;
+ mult *= 10;
+ } // while
+
+ return retval;
+} // strtoi64
+
+static inline double strtodouble(const char *_str, unsigned int len)
+{
+ // !!! FIXME: laziness prevails.
+ char *str = (char *) alloca(len+1);
+ memcpy(str, _str, len);
+ str[len] = '\0';
+ return strtod(str, NULL);
+} // strtodouble
+
+#if 0
+// This does not check correctness (POSITIONT993842 passes, etc).
+static int is_semantic(const Context *ctx, const char *token,
+ const unsigned int tokenlen)
+{
+ static const char *names[] = {
+ "BINORMAL", "BLENDINDICES", "BLENDWEIGHT",
+ "COLOR", "NORMAL", "POSITION", "POSITIONT", "PSIZE", "TANGENT",
+ "TEXCOORD", "FOG", "TESSFACTOR", "TEXCOORD", "VFACE", "VPOS",
+ "DEPTH", NULL
+ };
+
+ // !!! FIXME: DX10 has SV_* ("System Value Semantics").
+ const char **i;
+ for (i = names; *i; i++)
+ {
+ const char *name = *i;
+ const size_t namelen = strlen(name);
+ if (tokenlen < namelen)
+ continue;
+ else if (memcmp(token, name, namelen) != 0)
+ continue;
+
+ for (name += namelen; *name; name++)
+ {
+ if ((*name < '0') || (*name > '9'))
+ break;
+ } // for
+
+ if (*name == '\0')
+ return 1;
+ } // for
+
+ return 0;
+} // is_semantic
+#endif
+
+static int convert_to_lemon_token(Context *ctx, const char *token,
+ unsigned int tokenlen, const Token tokenval)
+{
+ switch (tokenval)
+ {
+ case ((Token) ','): return TOKEN_HLSL_COMMA;
+ case ((Token) '='): return TOKEN_HLSL_ASSIGN;
+ case ((Token) TOKEN_ADDASSIGN): return TOKEN_HLSL_ADDASSIGN;
+ case ((Token) TOKEN_SUBASSIGN): return TOKEN_HLSL_SUBASSIGN;
+ case ((Token) TOKEN_MULTASSIGN): return TOKEN_HLSL_MULASSIGN;
+ case ((Token) TOKEN_DIVASSIGN): return TOKEN_HLSL_DIVASSIGN;
+ case ((Token) TOKEN_MODASSIGN): return TOKEN_HLSL_MODASSIGN;
+ case ((Token) TOKEN_LSHIFTASSIGN): return TOKEN_HLSL_LSHIFTASSIGN;
+ case ((Token) TOKEN_RSHIFTASSIGN): return TOKEN_HLSL_RSHIFTASSIGN;
+ case ((Token) TOKEN_ANDASSIGN): return TOKEN_HLSL_ANDASSIGN;
+ case ((Token) TOKEN_ORASSIGN): return TOKEN_HLSL_ORASSIGN;
+ case ((Token) TOKEN_XORASSIGN): return TOKEN_HLSL_XORASSIGN;
+ case ((Token) '?'): return TOKEN_HLSL_QUESTION;
+ case ((Token) TOKEN_OROR): return TOKEN_HLSL_OROR;
+ case ((Token) TOKEN_ANDAND): return TOKEN_HLSL_ANDAND;
+ case ((Token) '|'): return TOKEN_HLSL_OR;
+ case ((Token) '^'): return TOKEN_HLSL_XOR;
+ case ((Token) '&'): return TOKEN_HLSL_AND;
+ case ((Token) TOKEN_EQL): return TOKEN_HLSL_EQL;
+ case ((Token) TOKEN_NEQ): return TOKEN_HLSL_NEQ;
+ case ((Token) '<'): return TOKEN_HLSL_LT;
+ case ((Token) TOKEN_LEQ): return TOKEN_HLSL_LEQ;
+ case ((Token) '>'): return TOKEN_HLSL_GT;
+ case ((Token) TOKEN_GEQ): return TOKEN_HLSL_GEQ;
+ case ((Token) TOKEN_LSHIFT): return TOKEN_HLSL_LSHIFT;
+ case ((Token) TOKEN_RSHIFT): return TOKEN_HLSL_RSHIFT;
+ case ((Token) '+'): return TOKEN_HLSL_PLUS;
+ case ((Token) '-'): return TOKEN_HLSL_MINUS;
+ case ((Token) '*'): return TOKEN_HLSL_STAR;
+ case ((Token) '/'): return TOKEN_HLSL_SLASH;
+ case ((Token) '%'): return TOKEN_HLSL_PERCENT;
+ case ((Token) '!'): return TOKEN_HLSL_EXCLAMATION;
+ case ((Token) '~'): return TOKEN_HLSL_COMPLEMENT;
+ case ((Token) TOKEN_DECREMENT): return TOKEN_HLSL_MINUSMINUS;
+ case ((Token) TOKEN_INCREMENT): return TOKEN_HLSL_PLUSPLUS;
+ case ((Token) '.'): return TOKEN_HLSL_DOT;
+ case ((Token) '['): return TOKEN_HLSL_LBRACKET;
+ case ((Token) ']'): return TOKEN_HLSL_RBRACKET;
+ case ((Token) '('): return TOKEN_HLSL_LPAREN;
+ case ((Token) ')'): return TOKEN_HLSL_RPAREN;
+ case ((Token) TOKEN_INT_LITERAL): return TOKEN_HLSL_INT_CONSTANT;
+ case ((Token) TOKEN_FLOAT_LITERAL): return TOKEN_HLSL_FLOAT_CONSTANT;
+ case ((Token) TOKEN_STRING_LITERAL): return TOKEN_HLSL_STRING_LITERAL;
+ case ((Token) ':'): return TOKEN_HLSL_COLON;
+ case ((Token) ';'): return TOKEN_HLSL_SEMICOLON;
+ case ((Token) '{'): return TOKEN_HLSL_LBRACE;
+ case ((Token) '}'): return TOKEN_HLSL_RBRACE;
+
+ case ((Token) TOKEN_IDENTIFIER):
+ #define tokencmp(t) ((tokenlen == strlen(t)) && (memcmp(token, t, tokenlen) == 0))
+ //case ((Token) ''): return TOKEN_HLSL_TYPECAST
+ //if (tokencmp("")) return TOKEN_HLSL_TYPE_NAME
+ //if (tokencmp("...")) return TOKEN_HLSL_ELIPSIS
+ if (tokencmp("else")) return TOKEN_HLSL_ELSE;
+ if (tokencmp("inline")) return TOKEN_HLSL_INLINE;
+ if (tokencmp("void")) return TOKEN_HLSL_VOID;
+ if (tokencmp("in")) return TOKEN_HLSL_IN;
+ if (tokencmp("inout")) return TOKEN_HLSL_INOUT;
+ if (tokencmp("out")) return TOKEN_HLSL_OUT;
+ if (tokencmp("uniform")) return TOKEN_HLSL_UNIFORM;
+ if (tokencmp("linear")) return TOKEN_HLSL_LINEAR;
+ if (tokencmp("centroid")) return TOKEN_HLSL_CENTROID;
+ if (tokencmp("nointerpolation")) return TOKEN_HLSL_NOINTERPOLATION;
+ if (tokencmp("noperspective")) return TOKEN_HLSL_NOPERSPECTIVE;
+ if (tokencmp("sample")) return TOKEN_HLSL_SAMPLE;
+ if (tokencmp("struct")) return TOKEN_HLSL_STRUCT;
+ if (tokencmp("typedef")) return TOKEN_HLSL_TYPEDEF;
+ if (tokencmp("const")) return TOKEN_HLSL_CONST;
+ if (tokencmp("packoffset")) return TOKEN_HLSL_PACKOFFSET;
+ if (tokencmp("register")) return TOKEN_HLSL_REGISTER;
+ if (tokencmp("extern")) return TOKEN_HLSL_EXTERN;
+ if (tokencmp("shared")) return TOKEN_HLSL_SHARED;
+ if (tokencmp("static")) return TOKEN_HLSL_STATIC;
+ if (tokencmp("volatile")) return TOKEN_HLSL_VOLATILE;
+ if (tokencmp("row_major")) return TOKEN_HLSL_ROWMAJOR;
+ if (tokencmp("column_major")) return TOKEN_HLSL_COLUMNMAJOR;
+ if (tokencmp("bool")) return TOKEN_HLSL_BOOL;
+ if (tokencmp("int")) return TOKEN_HLSL_INT;
+ if (tokencmp("uint")) return TOKEN_HLSL_UINT;
+ if (tokencmp("half")) return TOKEN_HLSL_HALF;
+ if (tokencmp("float")) return TOKEN_HLSL_FLOAT;
+ if (tokencmp("double")) return TOKEN_HLSL_DOUBLE;
+ if (tokencmp("string")) return TOKEN_HLSL_STRING;
+ if (tokencmp("snorm")) return TOKEN_HLSL_SNORM;
+ if (tokencmp("unorm")) return TOKEN_HLSL_UNORM;
+ if (tokencmp("buffer")) return TOKEN_HLSL_BUFFER;
+ if (tokencmp("vector")) return TOKEN_HLSL_VECTOR;
+ if (tokencmp("bool1")) return TOKEN_HLSL_BOOL1;
+ if (tokencmp("bool2")) return TOKEN_HLSL_BOOL2;
+ if (tokencmp("bool3")) return TOKEN_HLSL_BOOL3;
+ if (tokencmp("bool4")) return TOKEN_HLSL_BOOL4;
+ if (tokencmp("int1")) return TOKEN_HLSL_INT1;
+ if (tokencmp("int2")) return TOKEN_HLSL_INT2;
+ if (tokencmp("int3")) return TOKEN_HLSL_INT3;
+ if (tokencmp("int4")) return TOKEN_HLSL_INT4;
+ if (tokencmp("uint1")) return TOKEN_HLSL_UINT1;
+ if (tokencmp("uint2")) return TOKEN_HLSL_UINT2;
+ if (tokencmp("uint3")) return TOKEN_HLSL_UINT3;
+ if (tokencmp("uint4")) return TOKEN_HLSL_UINT4;
+ if (tokencmp("half1")) return TOKEN_HLSL_HALF1;
+ if (tokencmp("half2")) return TOKEN_HLSL_HALF2;
+ if (tokencmp("half3")) return TOKEN_HLSL_HALF3;
+ if (tokencmp("half4")) return TOKEN_HLSL_HALF4;
+ if (tokencmp("float1")) return TOKEN_HLSL_FLOAT1;
+ if (tokencmp("float2")) return TOKEN_HLSL_FLOAT2;
+ if (tokencmp("float3")) return TOKEN_HLSL_FLOAT3;
+ if (tokencmp("float4")) return TOKEN_HLSL_FLOAT4;
+ if (tokencmp("double1")) return TOKEN_HLSL_DOUBLE1;
+ if (tokencmp("double2")) return TOKEN_HLSL_DOUBLE2;
+ if (tokencmp("double3")) return TOKEN_HLSL_DOUBLE3;
+ if (tokencmp("double4")) return TOKEN_HLSL_DOUBLE4;
+ if (tokencmp("matrix")) return TOKEN_HLSL_MATRIX;
+ if (tokencmp("bool1x1")) return TOKEN_HLSL_BOOL1X1;
+ if (tokencmp("bool1x2")) return TOKEN_HLSL_BOOL1X2;
+ if (tokencmp("bool1x3")) return TOKEN_HLSL_BOOL1X3;
+ if (tokencmp("bool1x4")) return TOKEN_HLSL_BOOL1X4;
+ if (tokencmp("bool2x1")) return TOKEN_HLSL_BOOL2X1;
+ if (tokencmp("bool2x2")) return TOKEN_HLSL_BOOL2X2;
+ if (tokencmp("bool2x3")) return TOKEN_HLSL_BOOL2X3;
+ if (tokencmp("bool2x4")) return TOKEN_HLSL_BOOL2X4;
+ if (tokencmp("bool3x1")) return TOKEN_HLSL_BOOL3X1;
+ if (tokencmp("bool3x2")) return TOKEN_HLSL_BOOL3X2;
+ if (tokencmp("bool3x3")) return TOKEN_HLSL_BOOL3X3;
+ if (tokencmp("bool3x4")) return TOKEN_HLSL_BOOL3X4;
+ if (tokencmp("bool4x1")) return TOKEN_HLSL_BOOL4X1;
+ if (tokencmp("bool4x2")) return TOKEN_HLSL_BOOL4X2;
+ if (tokencmp("bool4x3")) return TOKEN_HLSL_BOOL4X3;
+ if (tokencmp("bool4x4")) return TOKEN_HLSL_BOOL4X4;
+ if (tokencmp("int1x1")) return TOKEN_HLSL_INT1X1;
+ if (tokencmp("int1x2")) return TOKEN_HLSL_INT1X2;
+ if (tokencmp("int1x3")) return TOKEN_HLSL_INT1X3;
+ if (tokencmp("int1x4")) return TOKEN_HLSL_INT1X4;
+ if (tokencmp("int2x1")) return TOKEN_HLSL_INT2X1;
+ if (tokencmp("int2x2")) return TOKEN_HLSL_INT2X2;
+ if (tokencmp("int2x3")) return TOKEN_HLSL_INT2X3;
+ if (tokencmp("int2x4")) return TOKEN_HLSL_INT2X4;
+ if (tokencmp("int3x1")) return TOKEN_HLSL_INT3X1;
+ if (tokencmp("int3x2")) return TOKEN_HLSL_INT3X2;
+ if (tokencmp("int3x3")) return TOKEN_HLSL_INT3X3;
+ if (tokencmp("int3x4")) return TOKEN_HLSL_INT3X4;
+ if (tokencmp("int4x1")) return TOKEN_HLSL_INT4X1;
+ if (tokencmp("int4x2")) return TOKEN_HLSL_INT4X2;
+ if (tokencmp("int4x3")) return TOKEN_HLSL_INT4X3;
+ if (tokencmp("int4x4")) return TOKEN_HLSL_INT4X4;
+ if (tokencmp("uint1x1")) return TOKEN_HLSL_UINT1X1;
+ if (tokencmp("uint1x2")) return TOKEN_HLSL_UINT1X2;
+ if (tokencmp("uint1x3")) return TOKEN_HLSL_UINT1X3;
+ if (tokencmp("uint1x4")) return TOKEN_HLSL_UINT1X4;
+ if (tokencmp("uint2x1")) return TOKEN_HLSL_UINT2X1;
+ if (tokencmp("uint2x2")) return TOKEN_HLSL_UINT2X2;
+ if (tokencmp("uint2x3")) return TOKEN_HLSL_UINT2X3;
+ if (tokencmp("uint2x4")) return TOKEN_HLSL_UINT2X4;
+ if (tokencmp("uint3x1")) return TOKEN_HLSL_UINT3X1;
+ if (tokencmp("uint3x2")) return TOKEN_HLSL_UINT3X2;
+ if (tokencmp("uint3x3")) return TOKEN_HLSL_UINT3X3;
+ if (tokencmp("uint3x4")) return TOKEN_HLSL_UINT3X4;
+ if (tokencmp("uint4x1")) return TOKEN_HLSL_UINT4X1;
+ if (tokencmp("uint4x2")) return TOKEN_HLSL_UINT4X2;
+ if (tokencmp("uint4x3")) return TOKEN_HLSL_UINT4X3;
+ if (tokencmp("uint4x4")) return TOKEN_HLSL_UINT4X4;
+ if (tokencmp("half1x1")) return TOKEN_HLSL_HALF1X1;
+ if (tokencmp("half1x2")) return TOKEN_HLSL_HALF1X2;
+ if (tokencmp("half1x3")) return TOKEN_HLSL_HALF1X3;
+ if (tokencmp("half1x4")) return TOKEN_HLSL_HALF1X4;
+ if (tokencmp("half2x1")) return TOKEN_HLSL_HALF2X1;
+ if (tokencmp("half2x2")) return TOKEN_HLSL_HALF2X2;
+ if (tokencmp("half2x3")) return TOKEN_HLSL_HALF2X3;
+ if (tokencmp("half2x4")) return TOKEN_HLSL_HALF2X4;
+ if (tokencmp("half3x1")) return TOKEN_HLSL_HALF3X1;
+ if (tokencmp("half3x2")) return TOKEN_HLSL_HALF3X2;
+ if (tokencmp("half3x3")) return TOKEN_HLSL_HALF3X3;
+ if (tokencmp("half3x4")) return TOKEN_HLSL_HALF3X4;
+ if (tokencmp("half4x1")) return TOKEN_HLSL_HALF4X1;
+ if (tokencmp("half4x2")) return TOKEN_HLSL_HALF4X2;
+ if (tokencmp("half4x3")) return TOKEN_HLSL_HALF4X3;
+ if (tokencmp("half4x4")) return TOKEN_HLSL_HALF4X4;
+ if (tokencmp("float1x1")) return TOKEN_HLSL_FLOAT1X1;
+ if (tokencmp("float1x2")) return TOKEN_HLSL_FLOAT1X2;
+ if (tokencmp("float1x3")) return TOKEN_HLSL_FLOAT1X3;
+ if (tokencmp("float1x4")) return TOKEN_HLSL_FLOAT1X4;
+ if (tokencmp("float2x1")) return TOKEN_HLSL_FLOAT2X1;
+ if (tokencmp("float2x2")) return TOKEN_HLSL_FLOAT2X2;
+ if (tokencmp("float2x3")) return TOKEN_HLSL_FLOAT2X3;
+ if (tokencmp("float2x4")) return TOKEN_HLSL_FLOAT2X4;
+ if (tokencmp("float3x1")) return TOKEN_HLSL_FLOAT3X1;
+ if (tokencmp("float3x2")) return TOKEN_HLSL_FLOAT3X2;
+ if (tokencmp("float3x3")) return TOKEN_HLSL_FLOAT3X3;
+ if (tokencmp("float3x4")) return TOKEN_HLSL_FLOAT3X4;
+ if (tokencmp("float4x1")) return TOKEN_HLSL_FLOAT4X1;
+ if (tokencmp("float4x2")) return TOKEN_HLSL_FLOAT4X2;
+ if (tokencmp("float4x3")) return TOKEN_HLSL_FLOAT4X3;
+ if (tokencmp("float4x4")) return TOKEN_HLSL_FLOAT4X4;
+ if (tokencmp("double1x1")) return TOKEN_HLSL_DOUBLE1X1;
+ if (tokencmp("double1x2")) return TOKEN_HLSL_DOUBLE1X2;
+ if (tokencmp("double1x3")) return TOKEN_HLSL_DOUBLE1X3;
+ if (tokencmp("double1x4")) return TOKEN_HLSL_DOUBLE1X4;
+ if (tokencmp("double2x1")) return TOKEN_HLSL_DOUBLE2X1;
+ if (tokencmp("double2x2")) return TOKEN_HLSL_DOUBLE2X2;
+ if (tokencmp("double2x3")) return TOKEN_HLSL_DOUBLE2X3;
+ if (tokencmp("double2x4")) return TOKEN_HLSL_DOUBLE2X4;
+ if (tokencmp("double3x1")) return TOKEN_HLSL_DOUBLE3X1;
+ if (tokencmp("double3x2")) return TOKEN_HLSL_DOUBLE3X2;
+ if (tokencmp("double3x3")) return TOKEN_HLSL_DOUBLE3X3;
+ if (tokencmp("double3x4")) return TOKEN_HLSL_DOUBLE3X4;
+ if (tokencmp("double4x1")) return TOKEN_HLSL_DOUBLE4X1;
+ if (tokencmp("double4x2")) return TOKEN_HLSL_DOUBLE4X2;
+ if (tokencmp("double4x3")) return TOKEN_HLSL_DOUBLE4X3;
+ if (tokencmp("double4x4")) return TOKEN_HLSL_DOUBLE4X4;
+ if (tokencmp("break")) return TOKEN_HLSL_BREAK;
+ if (tokencmp("continue")) return TOKEN_HLSL_CONTINUE;
+ if (tokencmp("discard")) return TOKEN_HLSL_DISCARD;
+ if (tokencmp("return")) return TOKEN_HLSL_RETURN;
+ if (tokencmp("while")) return TOKEN_HLSL_WHILE;
+ if (tokencmp("for")) return TOKEN_HLSL_FOR;
+ if (tokencmp("unroll")) return TOKEN_HLSL_UNROLL;
+ if (tokencmp("loop")) return TOKEN_HLSL_LOOP;
+ if (tokencmp("do")) return TOKEN_HLSL_DO;
+ if (tokencmp("if")) return TOKEN_HLSL_IF;
+ if (tokencmp("branch")) return TOKEN_HLSL_BRANCH;
+ if (tokencmp("flatten")) return TOKEN_HLSL_FLATTEN;
+ if (tokencmp("switch")) return TOKEN_HLSL_SWITCH;
+ if (tokencmp("forcecase")) return TOKEN_HLSL_FORCECASE;
+ if (tokencmp("call")) return TOKEN_HLSL_CALL;
+ if (tokencmp("case")) return TOKEN_HLSL_CASE;
+ if (tokencmp("default")) return TOKEN_HLSL_DEFAULT;
+ if (tokencmp("sampler")) return TOKEN_HLSL_SAMPLER;
+ if (tokencmp("sampler1D")) return TOKEN_HLSL_SAMPLER1D;
+ if (tokencmp("sampler2D")) return TOKEN_HLSL_SAMPLER2D;
+ if (tokencmp("sampler3D")) return TOKEN_HLSL_SAMPLER3D;
+ if (tokencmp("samplerCUBE")) return TOKEN_HLSL_SAMPLERCUBE;
+ if (tokencmp("sampler_state")) return TOKEN_HLSL_SAMPLER_STATE;
+ if (tokencmp("SamplerState")) return TOKEN_HLSL_SAMPLERSTATE;
+ if (tokencmp("SamplerComparisonState")) return TOKEN_HLSL_SAMPLERCOMPARISONSTATE;
+ if (tokencmp("isolate")) return TOKEN_HLSL_ISOLATE;
+ if (tokencmp("maxInstructionCount")) return TOKEN_HLSL_MAXINSTRUCTIONCOUNT;
+ if (tokencmp("noExpressionOptimizations")) return TOKEN_HLSL_NOEXPRESSIONOPTIMIZATIONS;
+ if (tokencmp("unused")) return TOKEN_HLSL_UNUSED;
+ if (tokencmp("xps")) return TOKEN_HLSL_XPS;
+
+ #undef tokencmp
+
+ // get a canonical copy of the string now, as we'll need it.
+ token = cache_string(ctx, token, tokenlen);
+ if (is_usertype(ctx, token))
+ return TOKEN_HLSL_USERTYPE;
+ return TOKEN_HLSL_IDENTIFIER;
+
+ case TOKEN_EOI: return 0;
+ default: assert(0 && "unexpected token from lexer\n"); return 0;
+ } // switch
+
+ return 0;
+} // convert_to_lemon_token
+
+// !!! FIXME: unify this code with the string cache in the preprocessor.
+static void free_string_cache(Context *ctx)
+{
+ size_t i;
+ for (i = 0; i < STATICARRAYLEN(ctx->string_hashtable); i++)
+ {
+ StringBucket *bucket = ctx->string_hashtable[i];
+ ctx->string_hashtable[i] = NULL;
+ while (bucket)
+ {
+ StringBucket *next = bucket->next;
+ Free(ctx, bucket->string);
+ Free(ctx, bucket);
+ bucket = next;
+ } // while
+ } // for
+} // free_string_cache
+
+static void destroy_context(Context *ctx)
+{
+ if (ctx != NULL)
+ {
+ MOJOSHADER_free f = ((ctx->free != NULL) ? ctx->free : MOJOSHADER_internal_free);
+ void *d = ctx->malloc_data;
+
+ // !!! FIXME: free ctx->errors
+ delete_compilation_unit(ctx, ctx->ast);
+ destroy_usertypemap(ctx);
+ free_string_cache(ctx);
+ f(ctx, d);
+ } // if
+} // destroy_context
+
+static Context *build_context(MOJOSHADER_malloc m, MOJOSHADER_free f, void *d)
+{
+ if (!m) m = MOJOSHADER_internal_malloc;
+ if (!f) f = MOJOSHADER_internal_free;
+
+ Context *ctx = (Context *) m(sizeof (Context), d);
+ if (ctx == NULL)
+ return NULL;
+
+ memset(ctx, '\0', sizeof (Context));
+ ctx->malloc = m;
+ ctx->free = f;
+ ctx->malloc_data = d;
+ //ctx->parse_phase = MOJOSHADER_PARSEPHASE_NOTSTARTED;
+ create_usertypemap(ctx); // !!! FIXME: check for failure.
+ return ctx;
+} // build_context
+
+
+// parse the source code into an AST.
+static void parse_source(Context *ctx, const char *filename,
+ const char *source, unsigned int sourcelen,
+ const MOJOSHADER_preprocessorDefine *defines,
+ unsigned int define_count,
+ MOJOSHADER_includeOpen include_open,
+ MOJOSHADER_includeClose include_close)
+{
+ TokenData data;
+ unsigned int tokenlen;
+ Token tokenval;
+ const char *token;
+ int lemon_token;
+ const char *fname;
+ Preprocessor *pp;
+ void *parser;
+
+ if (!include_open) include_open = MOJOSHADER_internal_include_open;
+ if (!include_close) include_close = MOJOSHADER_internal_include_close;
+
+ pp = preprocessor_start(filename, source, sourcelen, include_open,
+ include_close, defines, define_count, 0,
+ ctx->malloc, ctx->free, ctx->malloc_data);
+
+ // !!! FIXME: check if (pp == NULL)...
+
+ parser = ParseHLSLAlloc(ctx->malloc, ctx->malloc_data);
+
+ #if DEBUG_COMPILER_PARSER
+ ParseHLSLTrace(stdout, "COMPILER: ");
+ #endif
+
+ do {
+ token = preprocessor_nexttoken(pp, &tokenlen, &tokenval);
+
+ if (preprocessor_outofmemory(pp))
+ {
+ out_of_memory(ctx);
+ break;
+ } // if
+
+ fname = preprocessor_sourcepos(pp, &ctx->sourceline);
+ ctx->sourcefile = fname ? cache_string(ctx, fname, strlen(fname)) : 0;
+
+ if (tokenval == TOKEN_BAD_CHARS)
+ {
+ fail(ctx, "Bad characters in source file");
+ continue;
+ } // else if
+
+ else if (tokenval == TOKEN_PREPROCESSING_ERROR)
+ {
+ fail(ctx, token); // this happens to be null-terminated.
+ continue;
+ } // else if
+
+ lemon_token = convert_to_lemon_token(ctx, token, tokenlen, tokenval);
+ switch (lemon_token)
+ {
+ case TOKEN_HLSL_INT_CONSTANT:
+ data.i64 = strtoi64(token, tokenlen);
+ break;
+
+ case TOKEN_HLSL_FLOAT_CONSTANT:
+ data.dbl = strtodouble(token, tokenlen);
+ break;
+
+ case TOKEN_HLSL_USERTYPE:
+ case TOKEN_HLSL_STRING_LITERAL:
+ case TOKEN_HLSL_IDENTIFIER:
+ data.string = cache_string(ctx, token, tokenlen);
+ break;
+
+ default:
+ data.i64 = 0;
+ break;
+ } // switch
+
+ ParseHLSL(parser, lemon_token, data, ctx);
+
+ // this probably isn't perfect, but it's good enough for surviving
+ // the parse. We'll sort out correctness once we have a tree.
+ if (lemon_token == TOKEN_HLSL_LBRACE)
+ push_scope(ctx);
+ else if (lemon_token == TOKEN_HLSL_RBRACE)
+ pop_scope(ctx);
+ } while (tokenval != TOKEN_EOI);
+
+ ParseHLSLFree(parser, ctx->free, ctx->malloc_data);
+ preprocessor_end(pp);
+} // parse_source
+
+
void MOJOSHADER_compile(const char *filename,
const char *source, unsigned int sourcelen,
const MOJOSHADER_preprocessorDefine *defines,