scarlett/compiler-the-translators
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may have function calls, need to merge other stuff to check

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This commit is contained in:
Annie
2025-05-03 20:38:12 -04:00
parent 1cafb70aea
commit 5d520645fd
1 changed files with 29 additions and 4 deletions
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29
src/codegen.c
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@ -663,19 +663,20 @@ int generateParam(Instruction *inst){
} }
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#adding param start\n", getAddress(op1CG)); fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#adding param start\n", getAddress(op1CG));
fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#adding param end\n", offset += 8); fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#adding param end\n", getPrimSize(getTypeEntry(tn)));
return 0; return 0;
} }
int generateFunctionStart(Instruction *inst) { int generateFunctionStart(Instruction *inst) {
TNodeOrConst *op1 = getOperand1(inst); TNodeOrConst *op1 = getResult(inst);
if (op1 == NULL) { if (op1 == NULL) {
printdebug("%sgenerateFunctionStart failed, NULL operand", COLOR_RED); printdebug("%sgenerateFunctionStart failed, NULL operand", COLOR_RED);
return -1; return -1;
} }
TableNode *funDecTN = getTN(op1);
if (getTN(op1) == NULL) { if (getTN(op1) == NULL) {
printdebug("generateFunctionStart failed, NULL tablenode"); printdebug("generateFunctionStart failed, NULL tablenode");
return -1; return -1;
@ -687,5 +688,29 @@ int generateFunctionStart(Instruction *inst) {
fprintf(cg_flag, "\tmovq\t%%rsp, %%rbp\n"); fprintf(cg_flag, "\tmovq\t%%rsp, %%rbp\n");
//now we need to add the CGs of nodes to the CG list by doing assign from the //now we need to add the CGs of nodes to the CG list by doing assign from the
// have function declararation node
//declaration ->getType: if record, go through each element and load param from stack and store to correct tn cg
// if not, go get one element of type of param
//declaration ->getType->getDefinitionScope?: go through first n entries to get table nodes for params
TableNode *paramTN = getParameter(funDecTN);
SymbolTable *st = getFunScope(funDecTN);
int paramOffset = -16;
if (getAdInfoType(paramTN) != TYPE_RECORD) {
CGNode *paramCG = addCG(tn, currentsp);
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#FunctionStart1Param start\n", paramOffset);
fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#FunctionStart1param end\n", getPrimSize(getTypeEntry(paramTN)));
} else {
int numParams = getRecLength(paramTN);
TableNode *tnToAdd = getFirstEntry(st);
for (int i = 0; i < numParams; i++) {
CGNode *paramCG = addCG(tnTooAdd, currentsp);
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#FunctionStart1Param start\n", paramOffset);
fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#FunctionStart1param end\n", getPrimSize(getTypeEntry(paramTN)));
paramoffset -= getPrimSize(getTypeEntry(tnToAdd));
tnToAdd = getNextEntry(tnToAdd);
}
}
return 0; return 0;
} }