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| author | Manish Goregaokar <manish@mozilla.com> | 2016-10-29 05:55:58 -0700 |
|---|---|---|
| committer | Manish Goregaokar <manish@mozilla.com> | 2016-11-03 15:45:14 -0700 |
| commit | cdf5a07c75b47481da1e99ee91ee860c2a6bb5f6 (patch) | |
| tree | 057640bee6175b7afea74966d85f931736b1522b /gdb/rust-exp.y | |
| parent | b96645f1a1e6084ed6a20ddf615bdc4d2487a9c9 (diff) | |
| download | gdb-cdf5a07c75b47481da1e99ee91ee860c2a6bb5f6.zip gdb-cdf5a07c75b47481da1e99ee91ee860c2a6bb5f6.tar.gz gdb-cdf5a07c75b47481da1e99ee91ee860c2a6bb5f6.tar.bz2 | |
Add support for the sizeof function in Rust
2016-10-29 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-exp.y: Parse `sizeof(exp)` as `UNOP_SIZEOF`
gdb/testsuite/ChangeLog:
* gdb.rust/simple.exp: Add tests for `sizeof(expr)`
Diffstat (limited to 'gdb/rust-exp.y')
| -rw-r--r-- | gdb/rust-exp.y | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gdb/rust-exp.y b/gdb/rust-exp.y index 6dc4704..dffccd0 100644 --- a/gdb/rust-exp.y +++ b/gdb/rust-exp.y @@ -276,6 +276,7 @@ struct rust_op %token <voidval> KW_EXTERN %token <voidval> KW_CONST %token <voidval> KW_FN +%token <voidval> KW_SIZEOF /* Operator tokens. */ %token <voidval> DOTDOT @@ -371,7 +372,7 @@ expr: | array_expr | idx_expr | range_expr -| unop_expr +| unop_expr /* Must precede call_expr because of ambiguity with sizeof. */ | binop_expr | paren_expr | call_expr @@ -577,7 +578,8 @@ unop_expr: | '&' KW_MUT expr %prec UNARY { $$ = ast_unary (UNOP_ADDR, $3); } - +| KW_SIZEOF '(' expr ')' %prec UNARY + { $$ = ast_unary (UNOP_SIZEOF, $3); } ; binop_expr: @@ -872,6 +874,7 @@ static const struct token_info identifier_tokens[] = { "true", KW_TRUE, OP_NULL }, { "extern", KW_EXTERN, OP_NULL }, { "fn", KW_FN, OP_NULL }, + { "sizeof", KW_SIZEOF, OP_NULL }, }; /* Operator tokens, sorted longest first. */ @@ -2194,6 +2197,7 @@ convert_ast_to_expression (struct parser_state *state, case UNOP_COMPLEMENT: case UNOP_IND: case UNOP_ADDR: + case UNOP_SIZEOF: convert_ast_to_expression (state, operation->left.op, top); write_exp_elt_opcode (state, operation->opcode); break; |