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better bigint/bigfloat implementation

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This commit is contained in:
Andrew Kelley
2017-06-26 14:41:47 -04:00
parent 3e8af78895
commit d1e68c3ca8
25 changed files with 2098 additions and 1146 deletions
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31
src/parser.cpp
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@@ -186,9 +186,14 @@ static Buf *token_buf(Token *token) {
return &token->data.str_lit.str;
}
static BigNum *token_bignum(Token *token) {
assert(token->id == TokenIdNumberLiteral);
return &token->data.num_lit.bignum;
static BigInt *token_bigint(Token *token) {
assert(token->id == TokenIdIntLiteral);
return &token->data.int_lit.bigint;
}
static BigFloat *token_bigfloat(Token *token) {
assert(token->id == TokenIdFloatLiteral);
return &token->data.float_lit.bigfloat;
}
static uint8_t token_char_lit(Token *token) {
@@ -660,16 +665,21 @@ static AstNode *ast_parse_comptime_expr(ParseContext *pc, size_t *token_index, b
}
/*
PrimaryExpression = Number | String | CharLiteral | KeywordLiteral | GroupedExpression | GotoExpression | BlockExpression(BlockOrExpression) | Symbol | ("@" Symbol FnCallExpression) | ArrayType | (option("extern") FnProto) | AsmExpression | ("error" "." Symbol) | ContainerDecl
PrimaryExpression = Integer | Float | String | CharLiteral | KeywordLiteral | GroupedExpression | GotoExpression | BlockExpression(BlockOrExpression) | Symbol | ("@" Symbol FnCallExpression) | ArrayType | (option("extern") FnProto) | AsmExpression | ("error" "." Symbol) | ContainerDecl
KeywordLiteral = "true" | "false" | "null" | "continue" | "undefined" | "error" | "this" | "unreachable"
*/
static AstNode *ast_parse_primary_expr(ParseContext *pc, size_t *token_index, bool mandatory) {
Token *token = &pc->tokens->at(*token_index);
if (token->id == TokenIdNumberLiteral) {
AstNode *node = ast_create_node(pc, NodeTypeNumberLiteral, token);
node->data.number_literal.bignum = token_bignum(token);
node->data.number_literal.overflow = token->data.num_lit.overflow;
if (token->id == TokenIdIntLiteral) {
AstNode *node = ast_create_node(pc, NodeTypeIntLiteral, token);
node->data.int_literal.bigint = token_bigint(token);
*token_index += 1;
return node;
} else if (token->id == TokenIdFloatLiteral) {
AstNode *node = ast_create_node(pc, NodeTypeFloatLiteral, token);
node->data.float_literal.bigfloat = token_bigfloat(token);
node->data.float_literal.overflow = token->data.float_lit.overflow;
*token_index += 1;
return node;
} else if (token->id == TokenIdStringLiteral) {
@@ -2629,7 +2639,10 @@ void ast_visit_node_children(AstNode *node, void (*visit)(AstNode **, void *cont
visit_field(&node->data.unwrap_err_expr.symbol, visit, context);
visit_field(&node->data.unwrap_err_expr.op2, visit, context);
break;
case NodeTypeNumberLiteral:
case NodeTypeIntLiteral:
// none
break;
case NodeTypeFloatLiteral:
// none
break;
case NodeTypeStringLiteral: