shithub: spirva

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adds keyword support and basic (but buggy) support for OpEntryPoint and a few other important instructions

--- a/asm.c

+++ b/asm.c

@@ -193,3 +193,12 @@

 	a.str = str;

 	arg(a);

 }

+

+void

+a_keyword(char *str)

+{

+	Inst a;

+	a.type = INT;

+	a.i = 0;

+	arg(a);

+}

--- a/asm.h

+++ b/asm.h

@@ -18,6 +18,7 @@

 void a_float(double f);

 void a_int(int i);

 void a_str(char *str);

+void a_keyword(char *str);

 void a_init(void);

 void assemble(void);

--- a/ops.c

+++ b/ops.c

@@ -11,6 +11,8 @@

 	{ "OpName", 5 },

 	{ "OpMemberName", 6 },

+	{ "OpEntryPoint", 15 },

+	

 	{ "OpTypeVoid", 19 },

 	{ "OpTypeBool", 20 },

 	{ "OpTypeInt", 21 },

@@ -24,9 +26,36 @@

 	{ "OpTypePointer", 32 },

 	{ "OpTypeFunction", 33 },

+	{ "OpFunction", 54 },

+	{ "OpFunctionParameter", 55 },

+	{ "OpFunctionEnd", 56 },

+	

+	{ "OpLabel", 248 },

+	{ "OpBranch", 249 },

+	

 	{ nil, nil },

 };

+Keyword keywords[] = {

+	{ "None", 0x0 },

+	{ "Inline", 0x1 },

+	{ "DontInline", 0x2 },

+	{ "Pure", 0x4 },

+	{ "Const", 0x8 },

+	{ "OptNoneINTEL", 0x10000 }, // reserved

+	

+	{ "Vertex", 0 },

+	{ "TessellationControl", 1 },

+	{ "TessellationEvaluation", 2 },

+	{ "Geometry", 3 },

+	{ "Fragment", 4 },

+	{ "GLCompute", 5 },

+	{ "Kernel", 6 },

+	// more

+

+	{ nil, nil },

+};

+

 uint

 o_lookup(char *n)

 {

@@ -51,4 +80,17 @@

 		}

 	}

 	return nil;

+}

+

+uint

+k_lookup(char *n)

+{

+	Keyword *k;

+	

+	for (k = keywords; k->keyword; k++) {

+		if (strcmp(k->keyword, n) == 0) {

+			return k->i;

+		}

+	}

+	return 0;

 }

--- a/ops.h

+++ b/ops.h

@@ -4,5 +4,13 @@

 	uint op;

 };

+typedef struct Keyword Keyword;

+struct Keyword {

+	char *keyword;

+	uint i;

+};

+

 uint o_lookup(char *n);

 char *o_find(uint op);

+

+uint k_lookup(char *n);

--- a/spirva.l

+++ b/spirva.l

@@ -18,7 +18,7 @@

 	return OP;

 }

-\${ANUM}+ {

+\%{ANUM}+ {

 	yylval.sym = symfind(strdup(yytext));

 	return SYM;

 }

--- a/spirva.y

+++ b/spirva.y

@@ -39,6 +39,7 @@

 	| INT { a_int($1); }

 	| FLOAT { a_float($1); }

 	| str

+	| STR { a_keyword($1); }

 	;

 str: '"' STR '"' { a_str($2); }