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0e1828ab03
* Use `make check-lexer` to verify the grammar. * Extend grammar/README * Add make clean-grammar rule * Add target `check-build-lexer-verifier` to `make tidy`, so it will build the verifier with every build and catch future errors * Search for antlr4 with configure and find
118 lines
3.2 KiB
Makefile
118 lines
3.2 KiB
Makefile
# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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BG = $(CFG_BUILD_DIR)/grammar/
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SG = $(S)src/grammar/
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B = $(CFG_BUILD_DIR)/$(CFG_BUILD)/stage2/
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L = $(B)lib/rustlib/$(CFG_BUILD)/lib
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LD = $(CFG_BUILD)/stage2/lib/rustlib/$(CFG_BUILD)/lib/
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RUSTC = $(STAGE2_T_$(CFG_BUILD)_H_$(CFG_BUILD))
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ifeq ($(CFG_OSTYPE),apple-darwin)
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FLEX_LDFLAGS=-ll
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else
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FLEX_LDFLAGS=-lfl
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endif
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# Run the reference lexer against libsyntax and compare the tokens and spans.
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# If "// ignore-lexer-test" is present in the file, it will be ignored.
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#
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# $(1) is the file to test.
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define LEXER_TEST
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grep "// ignore-lexer-test" $(1) ; \
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if [ $$? -eq 1 ]; then \
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CLASSPATH=$(B)grammar $(CFG_GRUN) RustLexer tokens -tokens < $(1) \
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| $(B)grammar/verify $(1) ; \
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fi
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endef
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$(BG):
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$(Q)mkdir -p $(BG)
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$(BG)RustLexer.class: $(BG) $(SG)RustLexer.g4
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$(Q)$(CFG_ANTLR4) -o $(BG) $(SG)RustLexer.g4
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$(Q)$(CFG_JAVAC) -d $(BG) -classpath $(CFG_ANTLR4_JAR) $(BG)RustLexer.java
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check-build-lexer-verifier: $(BG)verify
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ifeq ($(NO_REBUILD),)
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VERIFY_DEPS := rustc-stage2-H-$(CFG_BUILD) $(LD)stamp.rustc
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else
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VERIFY_DEPS :=
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endif
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$(BG)verify: $(BG) $(SG)verify.rs $(VERIFY_DEPS)
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$(Q)$(RUSTC) --out-dir $(BG) -L $(L) $(SG)verify.rs
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ifdef CFG_JAVAC
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ifdef CFG_ANTLR4
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ifdef CFG_GRUN
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check-lexer: $(BG) $(BG)RustLexer.class check-build-lexer-verifier
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$(info Verifying libsyntax against the reference lexer ...)
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$(Q)$(SG)check.sh $(S) "$(BG)" \
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"$(CFG_GRUN)" "$(BG)verify" "$(BG)RustLexer.tokens"
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else
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$(info cfg: lexer tooling not available, skipping lexer test...)
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check-lexer:
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endif
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else
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$(info cfg: lexer tooling not available, skipping lexer test...)
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check-lexer:
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endif
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else
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$(info cfg: lexer tooling not available, skipping lexer test...)
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check-lexer:
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endif
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$(BG)lex.yy.c: $(SG)lexer.l $(BG)
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@$(call E, flex: $@)
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$(Q)$(CFG_FLEX) -o $@ $<
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$(BG)lexer-lalr.o: $(BG)lex.yy.c $(BG)parser-lalr.tab.h
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@$(call E, cc: $@)
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$(Q)$(CFG_CC) -include $(BG)parser-lalr.tab.h -c -o $@ $<
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$(BG)parser-lalr.tab.c $(BG)parser-lalr.tab.h: $(SG)parser-lalr.y
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@$(call E, bison: $@)
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$(Q)$(CFG_BISON) $< --output=$(BG)parser-lalr.tab.c --defines=$(BG)parser-lalr.tab.h \
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--name-prefix=rs --warnings=error=all
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$(BG)parser-lalr.o: $(BG)parser-lalr.tab.c
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@$(call E, cc: $@)
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$(Q)$(CFG_CC) -c -o $@ $<
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$(BG)parser-lalr-main.o: $(SG)parser-lalr-main.c
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@$(call E, cc: $@)
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$(Q)$(CFG_CC) -std=c99 -c -o $@ $<
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$(BG)parser-lalr: $(BG)parser-lalr.o $(BG)parser-lalr-main.o $(BG)lexer-lalr.o
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@$(call E, cc: $@)
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$(Q)$(CFG_CC) -o $@ $^ $(FLEX_LDFLAGS)
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ifdef CFG_FLEX
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ifdef CFG_BISON
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check-grammar: $(BG) $(BG)parser-lalr
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$(info Verifying grammar ...)
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$(SG)testparser.py -p $(BG)parser-lalr -s $(S)src
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else
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$(info cfg: bison not available, skipping parser test...)
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check-grammar:
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endif
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else
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$(info cfg: flex not available, skipping parser test...)
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check-grammar:
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endif
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