krgamestudios/Toy
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Implemented and tested variable declaration

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Assignment, etc. is still to come, as are types.
This commit is contained in:
Kayne Ruse
2024-10-13 15:02:42 +11:00
parent 1ad6bdff70
commit 80734563b9
18 changed files with 498 additions and 99 deletions
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10
source/toy_lexer.c
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@@ -195,7 +195,7 @@ static Toy_Token makeString(Toy_Lexer* lexer, char terminator) {
return token;
}
static Toy_Token makeKeywordOrIdentifier(Toy_Lexer* lexer) {
static Toy_Token makeKeywordOrName(Toy_Lexer* lexer) {
advance(lexer); //first letter can only be alpha
while(isDigit(lexer) || isAlpha(lexer)) {
@@ -218,10 +218,10 @@ static Toy_Token makeKeywordOrIdentifier(Toy_Lexer* lexer) {
}
}
//make token (identifier)
//make token (variable name)
Toy_Token token;
token.type = TOY_TOKEN_IDENTIFIER;
token.type = TOY_TOKEN_NAME;
token.length = lexer->current - lexer->start;
token.line = lexer->line;
token.lexeme = &lexer->source[lexer->start];
@@ -247,7 +247,7 @@ Toy_Token Toy_private_scanLexer(Toy_Lexer* lexer) {
if (isAtEnd(lexer)) return makeToken(lexer, TOY_TOKEN_EOF);
if (isDigit(lexer)) return makeIntegerOrFloat(lexer);
if (isAlpha(lexer)) return makeKeywordOrIdentifier(lexer);
if (isAlpha(lexer)) return makeKeywordOrName(lexer);
char c = advance(lexer);
@@ -335,7 +335,7 @@ void Toy_private_printToken(Toy_Token* token) {
printf("\t%d\t%d\t", token->type, (int)token->line);
//print based on type
if (token->type == TOY_TOKEN_IDENTIFIER || token->type == TOY_TOKEN_LITERAL_INTEGER || token->type == TOY_TOKEN_LITERAL_FLOAT || token->type == TOY_TOKEN_LITERAL_STRING) {
if (token->type == TOY_TOKEN_NAME || token->type == TOY_TOKEN_LITERAL_INTEGER || token->type == TOY_TOKEN_LITERAL_FLOAT || token->type == TOY_TOKEN_LITERAL_STRING) {
printf("%.*s\t", (int)token->length, token->lexeme);
} else {
const char* keyword = Toy_private_findKeywordByType(token->type);