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While and for loops are working

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Kayne Ruse
2022-08-20 13:27:47 +01:00
parent 975ed41d14
commit f5e060051e
4 changed files with 116 additions and 12 deletions
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42
source/parser.c
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@@ -925,11 +925,11 @@ static void ifStmt(Parser* parser, Node** nodeHandle) {
Node* elsePath = NULL;
//read the condition
consume(parser, TOKEN_PAREN_LEFT, "Expected '(' at end of if statement");
consume(parser, TOKEN_PAREN_LEFT, "Expected '(' at beginning of if clause");
parsePrecedence(parser, &condition, PREC_TERNARY);
//read the then path
consume(parser, TOKEN_PAREN_RIGHT, "Expected ')' at end of if statement");
consume(parser, TOKEN_PAREN_RIGHT, "Expected ')' at end of if clause");
thenPath = ALLOCATE(Node, 1);
declaration(parser, &thenPath);
@@ -944,11 +944,45 @@ static void ifStmt(Parser* parser, Node** nodeHandle) {
}
static void whileStmt(Parser* parser, Node** nodeHandle) {
//
Node* condition = NULL;
Node* thenPath = NULL;
//read the condition
consume(parser, TOKEN_PAREN_LEFT, "Expected '(' at beginning of while clause");
parsePrecedence(parser, &condition, PREC_TERNARY);
//read the then path
consume(parser, TOKEN_PAREN_RIGHT, "Expected ')' at end of while clause");
thenPath = ALLOCATE(Node, 1);
declaration(parser, &thenPath);
freeNode(*nodeHandle); //free the initial node
emitNodePath(nodeHandle, NODE_PATH_WHILE, NULL, NULL, condition, thenPath, NULL);
}
static void forStmt(Parser* parser, Node** nodeHandle) {
//
Node* preClause = ALLOCATE(Node, 1);
Node* postClause = NULL;
Node* condition = NULL;
Node* thenPath = ALLOCATE(Node, 1);
//read the clauses
consume(parser, TOKEN_PAREN_LEFT, "Expected '(' at beginning of for clause");
declaration(parser, &preClause);
parsePrecedence(parser, &condition, PREC_TERNARY);
consume(parser, TOKEN_SEMICOLON, "Expected ';' after condition of for clause");
parsePrecedence(parser, &postClause, PREC_ASSIGNMENT);
consume(parser, TOKEN_PAREN_RIGHT, "Expected ')' at end of for clause");
//read the path
thenPath = ALLOCATE(Node, 1);
declaration(parser, &thenPath);
freeNode(*nodeHandle); //free the initial node
emitNodePath(nodeHandle, NODE_PATH_FOR, preClause, postClause, condition, thenPath, NULL);
}
//precedence functions