diff options
| author | Jo-Philipp Wich <jo@mein.io> | 2022-04-12 23:03:32 +0200 |
|---|---|---|
| committer | Jo-Philipp Wich <jo@mein.io> | 2022-04-13 15:55:22 +0200 |
| commit | e14b0993b101839d2d40b5c4f184e6b0c2083b65 (patch) | |
| tree | c23ec0351ac1f08917604bfa824fa83d0ab5668c /include | |
| parent | 23ddf91d6380da392c8eea7b7fe12c2cd687b6de (diff) | |
syntax: implement support for ES6 template literals
Implement support for ECMAScript 6 template literals which allow simple
interpolation of variable values into strings without resorting to
`sprintf()` or manual string concatenation.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'include')
| -rw-r--r-- | include/ucode/lexer.h | 8 | ||||
| -rw-r--r-- | include/ucode/util.h | 5 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/ucode/lexer.h b/include/ucode/lexer.h index 134f5ef..835bc2b 100644 --- a/include/ucode/lexer.h +++ b/include/ucode/lexer.h @@ -115,6 +115,8 @@ typedef enum { TK_ASOR, TK_ASNULLISH, TK_NULLISH, + TK_PLACEH, + TK_TEMPLATE, TK_EOF, TK_ERROR @@ -129,6 +131,7 @@ typedef enum { UC_LEX_BLOCK_COMMENT, UC_LEX_IDENTIFY_TOKEN, UC_LEX_PARSE_TOKEN, + UC_LEX_PLACEHOLDER, UC_LEX_EOF } uc_lex_state_t; @@ -144,6 +147,7 @@ typedef struct { uc_source_t *source; uint8_t eof:1; uint8_t is_escape:1; + uint8_t is_placeholder:1; uint8_t no_regexp:1; uint8_t no_keyword:1; size_t buflen; @@ -168,6 +172,10 @@ typedef struct { STATEMENTS = '%', COMMENT = '#' } block; + struct { + size_t count; + size_t *entries; + } templates; } uc_lexer_t; diff --git a/include/ucode/util.h b/include/ucode/util.h index 3203499..093951e 100644 --- a/include/ucode/util.h +++ b/include/ucode/util.h @@ -68,6 +68,11 @@ #define uc_vector_last(vec) \ (&((vec)->entries[(vec)->count - 1])) +#define uc_vector_push(vec, val) do { \ + uc_vector_grow(vec); \ + (vec)->entries[(vec)->count++] = (val); \ +} while(0) + /* "failsafe" utility functions */ |