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restructure directive parsing into independent function

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EDiasAlberto 2024-06-14 21:17:26 +01:00
parent 8bea0d6a6d
commit e5b3f19bec
1 changed files with 15 additions and 8 deletions
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23
src/parser.c
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@ -16,6 +16,7 @@ void parseBranch(a64inst_instruction *instr, char* opcode, char *operandList[]);
void calculateAddressFormat(a64inst_instruction *instr, char *operandList[], int numOperands); void calculateAddressFormat(a64inst_instruction *instr, char *operandList[], int numOperands);
void parseDPImmediate(a64inst_instruction *inst, char *tokens[], int tokensCount); void parseDPImmediate(a64inst_instruction *inst, char *tokens[], int tokensCount);
void parseDPRegister(a64inst_instruction *inst, char *tokens[], int tokensCount); void parseDPRegister(a64inst_instruction *inst, char *tokens[], int tokensCount);
void parseDirective(a64inst_instruction *inst, char *tokens[]);
/** Constants */ /** Constants */
static const char *BRANCH_OPCODES[] = {"b", "br", "b.eq", "b.ne", "b.ge", "b.lt", "b.gt", "b.le", "b.al"}; static const char *BRANCH_OPCODES[] = {"b", "br", "b.eq", "b.ne", "b.ge", "b.lt", "b.gt", "b.le", "b.al"};
@ -212,14 +213,8 @@ void parse_instruction(char asmLine[], a64inst_instruction *instr) {
if(strcmp(opcode, ".int") == 0){ if(strcmp(opcode, ".int") == 0){
// Directive // Directive
instr->type = a64inst_DIRECTIVE; instr->type = a64inst_DIRECTIVE;
char *intValue = tokens[1]; parseDirective(instr, tokens);
char *endptr;
if(strncmp(intValue, "0x", 2) == 0) {
intValue += 2;
instr->data.DirectiveData.value = strtol(intValue, &endptr, 16);
} else {
instr->data.DirectiveData.value = strtol(tokens[1], &endptr, 10);
}
} else if(opcode[strlen(opcode)-1]== ':') { } else if(opcode[strlen(opcode)-1]== ':') {
// Label // Label
@ -305,6 +300,18 @@ static int parseRegisterType(char *operand) {
return operand[0] == 'x'; return operand[0] == 'x';
} }
void parseDirective(a64inst_instruction *instr, char *tokens[]) {
char *intValue = tokens[1];
char *endptr;
if(strncmp(intValue, "0x", 2) == 0) {
intValue += 2;
instr->data.DirectiveData.value = strtol(intValue, &endptr, 16);
} else {
instr->data.DirectiveData.value = strtol(tokens[1], &endptr, 10);
}
}
void parseSingleTransfer(a64inst_instruction *instr, char *opcode, char *tokens[], int tokensCount) { void parseSingleTransfer(a64inst_instruction *instr, char *opcode, char *tokens[], int tokensCount) {
switch(instr->type){ switch(instr->type){