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Functions are successfully called, read more

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Return keyword is not yet implemented.

Functions are untested.

See #163
This commit is contained in:
Kayne Ruse
2025-02-17 14:05:07 +11:00
parent 76d89fe0ad
commit 02dfc996b4
12 changed files with 193 additions and 27 deletions
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31
source/toy_module_compiler.c
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@@ -215,6 +215,7 @@ static unsigned int emitParameters(Toy_ModuleCompiler* mb, Toy_Ast* ast) {
//emit to the param index
EMIT_INT(&mb, param, dataAddr);
EMIT_INT(&mb, param, (unsigned int)(TOY_VALUE_AS_STRING(ast->value.value)->name.varType)); //don't forget this bit
//this returns the number of written parameters
return 1;
@@ -1041,6 +1042,32 @@ static unsigned int writeInstructionFnDeclare(Toy_ModuleCompiler** mb, Toy_AstFn
return 0;
}
static unsigned int writeInstructionFnInvoke(Toy_ModuleCompiler** mb, Toy_AstFnInvoke ast) {
unsigned int argCount = writeModuleCompilerCode(mb, ast.args);
if (argCount > 255) {
fprintf(stderr, TOY_CC_ERROR "COMPILER ERROR: Invalid function invokation with %d functions arguments (maximum 255)\n" TOY_CC_RESET, (int)argCount);
(*mb)->panic = true;
return 0;
}
unsigned int fnCount = writeModuleCompilerCode(mb, ast.function);
if (fnCount != 1) {
fprintf(stderr, TOY_CC_ERROR "COMPILER ERROR: Invalid function invokation with %d function AST nodes (expected 1)\n" TOY_CC_RESET, (int)fnCount);
(*mb)->panic = true;
return 0;
}
//call the function
EMIT_BYTE(mb, code, TOY_OPCODE_INVOKE);
EMIT_BYTE(mb, code, TOY_VALUE_FUNCTION);
EMIT_BYTE(mb, code, (unsigned char)argCount);
EMIT_BYTE(mb, code, 0); //IDK how many returns
return 0;
}
static unsigned int writeModuleCompilerCode(Toy_ModuleCompiler** mb, Toy_Ast* ast) {
if (ast == NULL) {
return 0;
@@ -1151,6 +1178,10 @@ static unsigned int writeModuleCompilerCode(Toy_ModuleCompiler** mb, Toy_Ast* as
result += writeInstructionFnDeclare(mb, ast->fnDeclare);
break;
case TOY_AST_FN_INVOKE:
result += writeInstructionFnInvoke(mb, ast->fnInvoke);
break;
case TOY_AST_PASS:
//NO-OP
break;