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Implemented assert keyword, read more

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The assert keyword works, but I want to add a cmd option to suppress or
disable the errors.

The tests need some serious TLC. I know that, but I'm kicking it down
the road for now.
This commit is contained in:
Kayne Ruse
2024-11-09 17:41:29 +11:00
parent 1925d41940
commit 1608a13b43
9 changed files with 189 additions and 71 deletions
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29
source/toy_parser.c
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@@ -195,7 +195,7 @@ static ParsingTuple parsingRulesetTable[] = {
//structural operators
{PREC_NONE,group,NULL},// TOY_TOKEN_OPERATOR_PAREN_LEFT,
{PREC_NONE,NULL,NULL},// TOY_TOKEN_OPERATOR_PAREN_RIGHT,
{PREC_CALL,NULL,compound},// TOY_TOKEN_OPERATOR_BRACKET_LEFT,
{PREC_GROUP,NULL,compound},// TOY_TOKEN_OPERATOR_BRACKET_LEFT,
{PREC_NONE,NULL,NULL},// TOY_TOKEN_OPERATOR_BRACKET_RIGHT,
{PREC_NONE,NULL,NULL},// TOY_TOKEN_OPERATOR_BRACE_LEFT,
{PREC_NONE,NULL,NULL},// TOY_TOKEN_OPERATOR_BRACE_RIGHT,
@@ -208,7 +208,7 @@ static ParsingTuple parsingRulesetTable[] = {
{PREC_NONE,NULL,NULL},// TOY_TOKEN_OPERATOR_COLON,
{PREC_NONE,NULL,NULL},// TOY_TOKEN_OPERATOR_SEMICOLON, // ;
{PREC_CALL,NULL,compound},// TOY_TOKEN_OPERATOR_COMMA, // ,
{PREC_GROUP,NULL,compound},// TOY_TOKEN_OPERATOR_COMMA, // ,
{PREC_NONE,NULL,NULL},// TOY_TOKEN_OPERATOR_DOT, // .
{PREC_CALL,NULL,binary},// TOY_TOKEN_OPERATOR_CONCAT, // ..
@@ -563,11 +563,11 @@ static Toy_AstFlag compound(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_A
advance(parser);
if (parser->previous.type == TOY_TOKEN_OPERATOR_COMMA) {
parsePrecedence(bucketHandle, parser, rootHandle, PREC_ASSIGNMENT + 1);
parsePrecedence(bucketHandle, parser, rootHandle, PREC_GROUP);
return TOY_AST_FLAG_COMPOUND_COLLECTION;
}
else if (parser->previous.type == TOY_TOKEN_OPERATOR_BRACKET_LEFT) {
parsePrecedence(bucketHandle, parser, rootHandle, PREC_ASSIGNMENT + 1);
parsePrecedence(bucketHandle, parser, rootHandle, PREC_GROUP);
consume(parser, TOY_TOKEN_OPERATOR_BRACKET_RIGHT, "Expected ']' at the end of index expression");
return TOY_AST_FLAG_COMPOUND_INDEX;
}
@@ -655,6 +655,21 @@ static void makeExpr(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast** ro
//forward declarations
static void makeBlockStmt(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast** rootHandle);
static void makeAssertStmt(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast** rootHandle) {
Toy_Ast* ast = NULL; //assert's emit function is a bit different
makeExpr(bucketHandle, parser, &ast);
//NOTE: if it's a compound, then it's got a second arg
if (ast->type == TOY_AST_COMPOUND) {
Toy_private_emitAstAssert(bucketHandle, rootHandle, ast->compound.left, ast->compound.right);
}
else {
Toy_private_emitAstAssert(bucketHandle, rootHandle, ast, NULL);
}
consume(parser, TOY_TOKEN_OPERATOR_SEMICOLON, "Expected ';' at the end of assert statement");
}
static void makePrintStmt(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast** rootHandle) {
makeExpr(bucketHandle, parser, rootHandle);
Toy_private_emitAstPrint(bucketHandle, rootHandle);
@@ -715,7 +730,11 @@ static void makeStmt(Toy_Bucket** bucketHandle, Toy_Parser* parser, Toy_Ast** ro
return;
}
//assert
else if (match(parser, TOY_TOKEN_KEYWORD_ASSERT)) {
makeAssertStmt(bucketHandle, parser, rootHandle);
return;
}
//if-then-else
//while-then
//for-pre-clause-post-then