is a general-purpose parser generator.
| c++.at (bison-3.8.1.tar.xz) | : | c++.at (bison-3.8.2.tar.xz) |
|---|
| | |
| skipping to change at line 962 | | skipping to change at line 962 |
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| | |
| AT_BISON_OPTION_PUSHDEFS([$1 %debug]) | | AT_BISON_OPTION_PUSHDEFS([$1 %debug]) |
| | |
| AT_DATA_GRAMMAR([[input.yy]], | | AT_DATA_GRAMMAR([[input.yy]], |
| [[$1 | | [[$1 |
| %header | | %header |
| | |
| %code | | %code |
| { | | { |
| #include <cstdlib> | | #include <cstdlib> |
|
| int yylex (yy::parser::semantic_type *); | | int yylex (yy::parser::value_type *); |
| } | | } |
| | |
| %define parse.error verbose | | %define parse.error verbose |
| %define parse.trace | | %define parse.trace |
| %% | | %% |
| | |
| start: with-recovery | '!' without-recovery; | | start: with-recovery | '!' without-recovery; |
| | |
| with-recovery: | | with-recovery: |
| %empty | | %empty |
| | |
| skipping to change at line 1006 | | skipping to change at line 1006 |
|---|
| ]AT_MAIN_DEFINE[ | | ]AT_MAIN_DEFINE[ |
| ]]) | | ]]) |
| | |
| # Another file to check syntax_error's linkage. | | # Another file to check syntax_error's linkage. |
| AT_DATA_SOURCE([scan.cc], | | AT_DATA_SOURCE([scan.cc], |
| [[#include <cstdio> // getchar | | [[#include <cstdio> // getchar |
| #include "input.hh" | | #include "input.hh" |
| | |
| // 'a': valid item, 's': syntax error, 'l': lexical error. | | // 'a': valid item, 's': syntax error, 'l': lexical error. |
| int | | int |
|
| yylex (yy::parser::semantic_type *lval) | | yylex (yy::parser::value_type *lval) |
| { | | { |
| switch (int res = getchar ()) | | switch (int res = getchar ()) |
| { | | { |
| // Don't choke on echo's \n. | | // Don't choke on echo's \n. |
| case '\n': | | case '\n': |
| return yylex (lval); | | return yylex (lval); |
| case 'l': | | case 'l': |
| throw yy::parser::syntax_error ("invalid character"); | | throw yy::parser::syntax_error ("invalid character"); |
| default: | | default: |
| return res; | | return res; |
| } | | } |
| } | | } |
| ]]) | | ]]) |
| | |
| AT_BISON_CHECK([[-o input.cc input.yy]]) | | AT_BISON_CHECK([[-o input.cc input.yy]]) |
| | |
| AT_FOR_EACH_CXX([ | | AT_FOR_EACH_CXX([ |
|
| | AT_GLR2_CC_IF([AT_REQUIRE_CXX_STD(11, [echo "$at_std not supported"; continue]
)]) |
| AT_LANG_COMPILE([[input]], [[input.cc scan.cc]]) | | AT_LANG_COMPILE([[input]], [[input.cc scan.cc]]) |
| | |
| # Leave enough valid tokens to make sure we recovered from the | | # Leave enough valid tokens to make sure we recovered from the |
| # previous error, otherwise we might hide some error messages | | # previous error, otherwise we might hide some error messages |
| # (discarded during error recoevery). | | # (discarded during error recoevery). |
| echo "asaaalaa" >in | | echo "asaaalaa" >in |
| AT_PARSER_CHECK([[input < in]], [[0]], [[]], | | AT_PARSER_CHECK([[input < in]], [[0]], [[]], |
| [[error: invalid expression | | [[error: invalid expression |
| caught error | | caught error |
| error: invalid character | | error: invalid character |
| | | |
| End of changes. 3 change blocks. |
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| 2 lines changed or deleted | | 3 lines changed or added |
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