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Experimenting with numbers

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This commit is contained in:
Kayne Ruse
2023-02-06 05:34:10 +00:00
parent 0d7e4db661
commit 0b9051cab2
3 changed files with 62 additions and 4 deletions
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24
source/toy_parser.c
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@@ -508,6 +508,22 @@ static Toy_Opcode unary(Toy_Parser* parser, Toy_ASTNode** nodeHandle) {
return TOY_OP_EOF;
}
static char* removeChar(char* lexeme, int length, char c) {
int resPos = 0;
char* result = TOY_ALLOCATE(char, length + 1);
for (int i = 0; i < length; i++) {
if (lexeme[i] == c) {
continue;
}
result[resPos++] = lexeme[i];
}
result[resPos] = '\0';
return result;
}
static Toy_Opcode atomic(Toy_Parser* parser, Toy_ASTNode** nodeHandle) {
switch(parser->previous.type) {
case TOY_TOKEN_NULL:
@@ -524,14 +540,18 @@ static Toy_Opcode atomic(Toy_Parser* parser, Toy_ASTNode** nodeHandle) {
case TOY_TOKEN_LITERAL_INTEGER: {
int value = 0;
sscanf(parser->previous.lexeme, "%d", &value);
char* lexeme = removeChar(parser->previous.lexeme, parser->previous.length, '_');
sscanf(lexeme, "%d", &value);
TOY_FREE_ARRAY(char, lexeme, parser->previous.length + 1);
Toy_emitASTNodeLiteral(nodeHandle, TOY_TO_INTEGER_LITERAL(value));
return TOY_OP_EOF;
}
case TOY_TOKEN_LITERAL_FLOAT: {
float value = 0;
sscanf(parser->previous.lexeme, "%f", &value);
char* lexeme = removeChar(parser->previous.lexeme, parser->previous.length, '_');
sscanf(lexeme, "%f", &value);
TOY_FREE_ARRAY(char, lexeme, parser->previous.length + 1);
Toy_emitASTNodeLiteral(nodeHandle, TOY_TO_FLOAT_LITERAL(value));
return TOY_OP_EOF;
}